diff --git a/Dockerfile b/Dockerfile
index 2254582d5..438591529 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.1-fpm
+FROM php:8.2-fpm
 
 # set your user name, ex: user=bernardo
 ARG user=thoth
diff --git a/app/Livewire/Conducting/DataExtraction/Buttons.php b/app/Livewire/Conducting/DataExtraction/Buttons.php
index 0135faa0f..676d88501 100644
--- a/app/Livewire/Conducting/DataExtraction/Buttons.php
+++ b/app/Livewire/Conducting/DataExtraction/Buttons.php
@@ -20,6 +20,7 @@ class Buttons extends Component
     private $toastMessages = 'project/conducting.data-extraction.buttons';
 
     public $projectId;
+    public $hasPapers = false;
 
 
     protected function messages()
@@ -204,10 +205,23 @@ private function formatPdf($papers)
     public function mount()
     {
         $this->projectId = request()->segment(2);
+        $this->checkPapersAvailability();
+    }
+
+    public function checkPapersAvailability()
+    {
+        try {
+            $papers = $this->getPapersExport();
+            $this->hasPapers = $papers->isNotEmpty();
+        } catch (\Exception $e) {
+            $this->hasPapers = false;
+        }
     }
 
     public function render()
     {
+        // Verificar novamente se existem papers disponíveis antes de renderizar
+        $this->checkPapersAvailability();
         return view('livewire.conducting.data-extraction.buttons');
     }
 }
diff --git a/app/Livewire/Conducting/DataExtraction/FileUpload.php b/app/Livewire/Conducting/DataExtraction/FileUpload.php
new file mode 100644
index 000000000..e2b51490f
--- /dev/null
+++ b/app/Livewire/Conducting/DataExtraction/FileUpload.php
@@ -0,0 +1,75 @@
+<?php
+
+namespace App\Http\Livewire\Conducting\DataExtraction;
+
+use App\Models\Project;
+use App\Models\Member;
+use App\Models\BibUpload;
+use App\Jobs\ProcessBibUpload;
+use App\Rules\ValidBibFile;
+use Livewire\Component;
+use Livewire\WithFileUploads;
+
+class FileUpload extends Component
+{
+    use WithFileUploads;
+
+    public $file;
+    public $project;
+    public $member;
+
+    public function rules()
+    {
+        return [
+            'file' => ['required', 'file', 'max:10240', new ValidBibFile],
+        ];
+    }
+
+    public function mount()
+    {
+        $this->project = Project::findOrFail(session('project_id'));
+        $this->member = Member::where('user_id', auth()->id())
+            ->where('project_id', $this->project->id)
+            ->firstOrFail();
+    }
+
+    public function updatedFile()
+    {
+        $this->validateOnly('file');
+    }
+
+    public function save()
+    {
+        $this->validate();
+
+        try {
+            $file = $this->file;
+            $mimeType = $file->getMimeType();
+            $extension = $file->getClientOriginalExtension();
+            
+            if (!in_array($extension, ['bib', 'csv']) || 
+                (!str_starts_with($mimeType, 'text/') && $mimeType !== 'application/csv')) {
+                throw new \Exception('Apenas arquivos .bib e .csv são permitidos.');
+            }
+
+            $fileName = time() . '_' . $file->getClientOriginalName();
+            $file->storeAs('uploads', $fileName, 'public');
+
+            $bibUpload = BibUpload::create([
+                'project_id' => $this->project->id,
+                'member_id' => $this->member->id,
+                'file_name' => $fileName,
+                'file_path' => 'uploads/' . $fileName,
+                'file_type' => $extension,
+                'status' => 'pending'
+            ]);
+
+            ProcessBibUpload::dispatch($bibUpload);
+
+            $this->emit('toast', 'success', 'Arquivo enviado com sucesso!');
+            $this->reset('file');
+        } catch (\Exception $e) {
+            $this->emit('toast', 'error', $e->getMessage());
+        }
+    }
+} 
\ No newline at end of file
diff --git a/app/Livewire/Conducting/DataExtraction/Table.php b/app/Livewire/Conducting/DataExtraction/Table.php
index c9a7e3d58..20e6151c0 100644
--- a/app/Livewire/Conducting/DataExtraction/Table.php
+++ b/app/Livewire/Conducting/DataExtraction/Table.php
@@ -186,7 +186,14 @@ public function render()
 
         }
 
-        return view('livewire.conducting.data-extraction.table', compact('papers', 'databases', 'statuses'));
+        // Emitir evento para atualizar o estado dos botões
+        $this->dispatch('papers-updated', hasPapers: $papers->isNotEmpty());
+        
+        return view('livewire.conducting.data-extraction.table', [
+            'papers' => $papers,
+            'databases' => $databases,
+            'statuses' => $statuses,
+        ]);
     }
 
 }
diff --git a/app/Livewire/Conducting/QualityAssessment/Buttons.php b/app/Livewire/Conducting/QualityAssessment/Buttons.php
index 58ecf487a..fa5bd8b82 100644
--- a/app/Livewire/Conducting/QualityAssessment/Buttons.php
+++ b/app/Livewire/Conducting/QualityAssessment/Buttons.php
@@ -12,6 +12,7 @@
 use TCPDF;
 use Illuminate\Support\Facades\View;
 use App\Utils\ToastHelper;
+use Livewire\Attributes\On;
 
 
 class Buttons extends Component
@@ -21,6 +22,7 @@ class Buttons extends Component
     private $toastMessages = 'project/conducting.data-extraction.buttons';
 
     public $projectId;
+    public $hasPapers = false;
 
 
     protected function messages()
@@ -223,10 +225,29 @@ private function formatPdf($papers)
     public function mount()
     {
         $this->projectId = request()->segment(2);
+        $this->checkPapersAvailability();
+    }
+
+    public function checkPapersAvailability()
+    {
+        try {
+            $papers = $this->getPapersExport();
+            $this->hasPapers = $papers->isNotEmpty();
+        } catch (\Exception $e) {
+            $this->hasPapers = false;
+        }
     }
 
     public function render()
     {
+        // Verificar novamente se existem papers disponíveis antes de renderizar
+        $this->checkPapersAvailability();
         return view('livewire.conducting.quality-assessment.buttons');
     }
+
+    #[On('papers-updated')]
+    public function updatePapersAvailability($hasPapers)
+    {
+        $this->hasPapers = $hasPapers;
+    }
 }
diff --git a/app/Livewire/Conducting/QualityAssessment/Table.php b/app/Livewire/Conducting/QualityAssessment/Table.php
index 17aaaf6f7..18e1315ad 100644
--- a/app/Livewire/Conducting/QualityAssessment/Table.php
+++ b/app/Livewire/Conducting/QualityAssessment/Table.php
@@ -191,6 +191,10 @@ public function render()
         }
         // Passa se o membro é administrador/pesquisador
         $isAdministrator = $member->level == 1 || $member->level == 3;
+        
+        // Emitir evento para atualizar o estado dos botões
+        $this->dispatch('papers-updated', hasPapers: $papers->isNotEmpty());
+        
         return view('livewire.conducting.quality-assessment.table', compact('papers', 'databases', 'statuses','isAdministrator'));
     }
 
diff --git a/app/Livewire/Conducting/Snowballing/Buttons.php b/app/Livewire/Conducting/Snowballing/Buttons.php
index 36dd60efe..916fd9884 100644
--- a/app/Livewire/Conducting/Snowballing/Buttons.php
+++ b/app/Livewire/Conducting/Snowballing/Buttons.php
@@ -11,6 +11,7 @@
 use Livewire\Component;
 use TCPDF;
 use App\Utils\ToastHelper;
+use Livewire\Attributes\On;
 
 
 class Buttons extends Component
@@ -20,6 +21,7 @@ class Buttons extends Component
     private $toastMessages = 'project/conducting.data-extraction.buttons';
 
     public $projectId;
+    public $hasPapers = false;
 
 
     protected function messages()
@@ -200,10 +202,29 @@ private function formatPdf($papers)
 
     public function mount() {
         $this->projectId = request()->segment(2);
+        $this->checkPapersAvailability();
+    }
+
+    public function checkPapersAvailability()
+    {
+        try {
+            $papers = $this->getPapersExport();
+            $this->hasPapers = $papers->isNotEmpty();
+        } catch (\Exception $e) {
+            $this->hasPapers = false;
+        }
     }
 
     public function render()
     {
+        // Verificar novamente se existem papers disponíveis antes de renderizar
+        $this->checkPapersAvailability();
         return view('livewire.conducting.snowballing.buttons');
     }
+
+    #[On('papers-updated')]
+    public function updatePapersAvailability($hasPapers)
+    {
+        $this->hasPapers = $hasPapers;
+    }
 }
diff --git a/app/Livewire/Conducting/Snowballing/Table.php b/app/Livewire/Conducting/Snowballing/Table.php
index 9fffdc482..8b9f0a590 100644
--- a/app/Livewire/Conducting/Snowballing/Table.php
+++ b/app/Livewire/Conducting/Snowballing/Table.php
@@ -190,6 +190,9 @@ public function render()
             }
         }
 
+        // Emitir evento para atualizar o estado dos botões
+        $this->dispatch('papers-updated', hasPapers: $papers->isNotEmpty());
+        
         return view('livewire.conducting.snowballing.table', compact('papers', 'databases', 'statuses'));
     }
 
diff --git a/app/Livewire/Conducting/StudySelection/Buttons.php b/app/Livewire/Conducting/StudySelection/Buttons.php
index 8bf2e41e8..10d37a6bc 100644
--- a/app/Livewire/Conducting/StudySelection/Buttons.php
+++ b/app/Livewire/Conducting/StudySelection/Buttons.php
@@ -13,6 +13,7 @@
 use TCPDF;
 use Illuminate\Support\Facades\View;
 use App\Utils\ToastHelper;
+use Livewire\Attributes\On;
 
 
 class Buttons extends Component
@@ -27,6 +28,7 @@ class Buttons extends Component
     public $exactDuplicateCount = 0;
 
     public $totalDuplicates = 0;
+    public $hasPapers = false;
 
     protected function messages()
     {
@@ -515,11 +517,29 @@ private function formatPdf($papers)
 
     public function mount() {
         $this->projectId = request()->segment(2);
+        $this->checkPapersAvailability();
+    }
 
+    public function checkPapersAvailability()
+    {
+        try {
+            $papers = $this->getPapersExport();
+            $this->hasPapers = $papers->isNotEmpty();
+        } catch (\Exception $e) {
+            $this->hasPapers = false;
+        }
     }
 
     public function render()
     {
+        // Verificar novamente se existem papers disponíveis antes de renderizar
+        $this->checkPapersAvailability();
         return view('livewire.conducting.study-selection.buttons');
     }
+
+    #[On('papers-updated')]
+    public function updatePapersAvailability($hasPapers)
+    {
+        $this->hasPapers = $hasPapers;
+    }
 }
diff --git a/app/Livewire/Conducting/StudySelection/Table.php b/app/Livewire/Conducting/StudySelection/Table.php
index c75805177..5bf211dc9 100644
--- a/app/Livewire/Conducting/StudySelection/Table.php
+++ b/app/Livewire/Conducting/StudySelection/Table.php
@@ -203,6 +203,10 @@ public function render()
         }
         // Passa se o membro é administrador/pesquisador
         $isAdministrator = $member->level == 1 || $member->level == 3;
+        
+        // Emitir evento para atualizar o estado dos botões
+        $this->dispatch('papers-updated', hasPapers: $papers->isNotEmpty());
+        
         return view('livewire.conducting.study-selection.table', compact('papers', 'databases', 'statuses','isAdministrator'));
     }
 
diff --git a/app/Livewire/Reporting/PeerReviewQualityButtons.php b/app/Livewire/Reporting/PeerReviewQualityButtons.php
index 6a933d656..211570e7f 100644
--- a/app/Livewire/Reporting/PeerReviewQualityButtons.php
+++ b/app/Livewire/Reporting/PeerReviewQualityButtons.php
@@ -9,12 +9,14 @@
 use Livewire\Component;
 use TCPDF;
 use Illuminate\Support\Facades\View;
+use Livewire\Attributes\On;
 
 
 class PeerReviewQualityButtons extends Component
 {
 
     public $projectId;
+    public $hasPapers = false;
 
 
     public function exportCsv()
@@ -170,10 +172,29 @@ private function formatPdf($papers)
 
     public function mount() {
         $this->projectId = request()->segment(2);
+        $this->checkPapersAvailability();
+    }
+
+    public function checkPapersAvailability()
+    {
+        try {
+            $papers = $this->getPapersExport();
+            $this->hasPapers = $papers->isNotEmpty();
+        } catch (\Exception $e) {
+            $this->hasPapers = false;
+        }
     }
 
     public function render()
     {
+        // Verificar novamente se existem papers disponíveis antes de renderizar
+        $this->checkPapersAvailability();
         return view('livewire.reporting.peer-review-quality-buttons');
     }
+
+    #[On('papers-updated')]
+    public function updatePapersAvailability($hasPapers)
+    {
+        $this->hasPapers = $hasPapers;
+    }
 }
diff --git a/app/Livewire/Reporting/PeerReviewSelectionButtons.php b/app/Livewire/Reporting/PeerReviewSelectionButtons.php
index c8bb2f7ea..d2fc387bf 100644
--- a/app/Livewire/Reporting/PeerReviewSelectionButtons.php
+++ b/app/Livewire/Reporting/PeerReviewSelectionButtons.php
@@ -13,6 +13,7 @@
 use TCPDF;
 use Illuminate\Support\Facades\View;
 use App\Utils\ToastHelper;
+use Livewire\Attributes\On;
 
 
 class PeerReviewSelectionButtons extends Component
@@ -23,6 +24,7 @@ class PeerReviewSelectionButtons extends Component
     public $exactDuplicateCount = 0;
 
     public $totalDuplicates = 0;
+    public $hasPapers = false;
 
     private function translate(string $message, string $key = 'duplicates')
     {
@@ -461,11 +463,29 @@ private function formatPdf($papers)
 
     public function mount() {
         $this->projectId = request()->segment(2);
+        $this->checkPapersAvailability();
+    }
 
+    public function checkPapersAvailability()
+    {
+        try {
+            $papers = $this->getPapersExport();
+            $this->hasPapers = $papers->isNotEmpty();
+        } catch (\Exception $e) {
+            $this->hasPapers = false;
+        }
     }
 
     public function render()
     {
+        // Verificar novamente se existem papers disponíveis antes de renderizar
+        $this->checkPapersAvailability();
         return view('livewire.reporting.peer-review-selection-buttons');
     }
+
+    #[On('papers-updated')]
+    public function updatePapersAvailability($hasPapers)
+    {
+        $this->hasPapers = $hasPapers;
+    }
 }
diff --git a/app/Rules/ValidBibFile.php b/app/Rules/ValidBibFile.php
index 86e81361c..1e1d1ff18 100644
--- a/app/Rules/ValidBibFile.php
+++ b/app/Rules/ValidBibFile.php
@@ -8,12 +8,20 @@ class ValidBibFile implements Rule
 {
     public function passes($attribute, $value)
     {
+        if (!$value) {
+            return false;
+        }
+
+        $mimeType = $value->getMimeType();
         $extension = $value->getClientOriginalExtension();
-        return in_array($extension, ['bib', 'csv', 'txt']);
+        
+        // Verifica se é um arquivo de texto e tem extensão .bib ou .csv
+        return (str_starts_with($mimeType, 'text/') || $mimeType === 'application/csv') && 
+               in_array($extension, ['bib', 'csv']);
     }
 
     public function message()
     {
-        return 'The file must be a type of: bib, csv, txt.';
+        return 'Apenas arquivos .bib e .csv são permitidos.';
     }
 }
diff --git a/composer.json b/composer.json
index df941fba1..e5c1dfa4a 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "keywords": ["framework", "laravel"],
     "license": "MIT",
     "require": {
-        "php": "^8.1",
+        "php": "^8.2",
         "ext-simplexml": "*",
         "ext-zip": "*",
         "algolia/algoliasearch-client-php": "^3.4",
diff --git a/composer.lock b/composer.lock
index dd14c0d4f..fabdefc2a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d340ca3042e234f328700dd78683431b",
+    "content-hash": "5631caa363c857948ad66c35c391921d",
     "packages": [
         {
             "name": "algolia/algoliasearch-client-php",
@@ -1287,6 +1287,50 @@
             },
             "time": "2024-04-12T12:12:48+00:00"
         },
+        {
+            "name": "daverandom/libdns",
+            "version": "v2.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/DaveRandom/LibDNS.git",
+                "reference": "b84c94e8fe6b7ee4aecfe121bfe3b6177d303c8a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/DaveRandom/LibDNS/zipball/b84c94e8fe6b7ee4aecfe121bfe3b6177d303c8a",
+                "reference": "b84c94e8fe6b7ee4aecfe121bfe3b6177d303c8a",
+                "shasum": ""
+            },
+            "require": {
+                "ext-ctype": "*",
+                "php": ">=7.1"
+            },
+            "suggest": {
+                "ext-intl": "Required for IDN support"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/functions.php"
+                ],
+                "psr-4": {
+                    "LibDNS\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "DNS protocol implementation written in pure PHP",
+            "keywords": [
+                "dns"
+            ],
+            "support": {
+                "issues": "https://github.com/DaveRandom/LibDNS/issues",
+                "source": "https://github.com/DaveRandom/LibDNS/tree/v2.1.0"
+            },
+            "time": "2024-04-12T12:12:48+00:00"
+        },
         {
 
             "name": "daverandom/libdns",
@@ -3699,6 +3743,179 @@
             ],
             "time": "2024-12-08T08:40:02+00:00"
         },
+        {
+            "name": "league/oauth1-client",
+            "version": "v1.11.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/thephpleague/oauth1-client.git",
+                "reference": "f9c94b088837eb1aae1ad7c4f23eb65cc6993055"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/thephpleague/oauth1-client/zipball/f9c94b088837eb1aae1ad7c4f23eb65cc6993055",
+                "reference": "f9c94b088837eb1aae1ad7c4f23eb65cc6993055",
+            "name": "league/uri-interfaces",
+            "version": "7.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/thephpleague/uri-interfaces.git",
+                "reference": "08cfc6c4f3d811584fb09c37e2849e6a7f9b0742"
+            },
+            "shasum": ""
+            },
+            "require": {
+                "ext-filter": "*",
+                "php": "^8.1",
+                "psr/http-factory": "^1",
+                "psr/http-message": "^1.1 || ^2.0"
+            },
+            "suggest": {
+                "ext-bcmath": "to improve IPV4 host parsing",
+                "ext-gmp": "to improve IPV4 host parsing",
+                "ext-intl": "to handle IDN host with the best performance",
+                "php-64bit": "to improve IPV4 host parsing",
+                "symfony/polyfill-intl-idn": "to handle IDN host via the Symfony polyfill if ext-intl is not present"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "7.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "League\\Uri\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ignace Nyamagana Butera",
+                    "email": "nyamsprod@gmail.com",
+                    "homepage": "https://nyamsprod.com"
+                }
+            ],
+            "description": "Common interfaces and classes for URI representation and interaction",
+            "homepage": "https://uri.thephpleague.com",
+            "keywords": [
+                "data-uri",
+                "file-uri",
+                "ftp",
+                "hostname",
+                "http",
+                "https",
+                "parse_str",
+                "parse_url",
+                "psr-7",
+                "query-string",
+                "querystring",
+                "rfc3986",
+                "rfc3987",
+                "rfc6570",
+                "uri",
+                "url",
+                "ws"
+            ],
+            "support": {
+                "issues": "https://github.com/thephpleague/oauth1-client/issues",
+                "source": "https://github.com/thephpleague/oauth1-client/tree/v1.11.0"
+            },
+            "time": "2024-12-10T19:59:05+00:00"
+        },
+        {
+            "name": "league/uri",
+            "version": "7.5.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/thephpleague/uri.git",
+                "reference": "81fb5145d2644324614cc532b28efd0215bda430"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/thephpleague/uri/zipball/81fb5145d2644324614cc532b28efd0215bda430",
+                "reference": "81fb5145d2644324614cc532b28efd0215bda430",
+                "shasum": ""
+            },
+            "require": {
+                "league/uri-interfaces": "^7.5",
+                "php": "^8.1"
+            },
+            "conflict": {
+                "league/uri-schemes": "^1.0"
+            },
+            "suggest": {
+                "ext-bcmath": "to improve IPV4 host parsing",
+                "ext-fileinfo": "to create Data URI from file contennts",
+                "ext-gmp": "to improve IPV4 host parsing",
+                "ext-intl": "to handle IDN host with the best performance",
+                "jeremykendall/php-domain-parser": "to resolve Public Suffix and Top Level Domain",
+                "league/uri-components": "Needed to easily manipulate URI objects components",
+                "php-64bit": "to improve IPV4 host parsing",
+                "symfony/polyfill-intl-idn": "to handle IDN host via the Symfony polyfill if ext-intl is not present"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "7.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "League\\Uri\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ignace Nyamagana Butera",
+                    "email": "nyamsprod@gmail.com",
+                    "homepage": "https://nyamsprod.com"
+                }
+            ],
+            "description": "URI manipulation library",
+            "homepage": "https://uri.thephpleague.com",
+            "keywords": [
+                "data-uri",
+                "file-uri",
+                "ftp",
+                "hostname",
+                "http",
+                "https",
+                "middleware",
+                "parse_str",
+                "parse_url",
+                "psr-7",
+                "query-string",
+                "querystring",
+                "rfc3986",
+                "rfc3987",
+                "rfc6570",
+                "uri",
+                "uri-template",
+                "url",
+                "ws"
+            ],
+            "support": {
+                "docs": "https://uri.thephpleague.com",
+                "forum": "https://thephpleague.slack.com",
+                "issues": "https://github.com/thephpleague/uri-src/issues",
+                "source": "https://github.com/thephpleague/uri/tree/7.5.1"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sponsors/nyamsprod",
+                    "type": "github"
+                }
+            ],
+            "time": "2024-12-08T08:40:02+00:00"
+        },
         {
             "name": "league/uri-interfaces",
             "version": "7.5.0",
@@ -3770,6 +3987,7 @@
                 "ws"
             ],
             "support": {
+
                 "docs": "https://uri.thephpleague.com",
                 "forum": "https://thephpleague.slack.com",
                 "issues": "https://github.com/thephpleague/uri-src/issues",
@@ -9382,7 +9600,7 @@
                 "issues": "https://github.com/laravel/pint/issues",
                 "source": "https://github.com/laravel/pint"
             },
-            "time": "2025-01-14T16:20:53+00:00"
+            "time": "2025-03-14T22:31:42+00:00"
         },
         {
             "name": "laravel/sail",
@@ -11858,7 +12076,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-02-27T20:15:30+00:00"
+            "time": "2025-03-03T07:12:39+00:00"
         },
         {
             "name": "theseer/tokenizer",
@@ -11917,7 +12135,7 @@
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.1",
+        "php": "^8.2",
         "ext-simplexml": "*",
         "ext-zip": "*"
     },
diff --git a/resources/views/livewire/conducting/data-extraction/buttons.blade.php b/resources/views/livewire/conducting/data-extraction/buttons.blade.php
index 2b0f5fb8b..922e2d91e 100644
--- a/resources/views/livewire/conducting/data-extraction/buttons.blade.php
+++ b/resources/views/livewire/conducting/data-extraction/buttons.blade.php
@@ -1,13 +1,19 @@
-<div >
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportCsv">
+<div>
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportCsv' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-solid fa-file-csv"></i>
         {{ __('project/conducting.data-extraction.buttons.csv' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportXml">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportXml' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-code"></i>
         {{ __('project/conducting.data-extraction.buttons.xml' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportPdf">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportPdf' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-pdf"></i>
         {{ __('project/conducting.data-extraction.buttons.pdf' )}}
     </a>
diff --git a/resources/views/livewire/conducting/data-extraction/file-upload.blade.php b/resources/views/livewire/conducting/data-extraction/file-upload.blade.php
new file mode 100644
index 000000000..d8243d799
--- /dev/null
+++ b/resources/views/livewire/conducting/data-extraction/file-upload.blade.php
@@ -0,0 +1,7 @@
+<div class="mb-4">
+    <label class="block text-gray-700 text-sm font-bold mb-2" for="file">
+        Selecione o arquivo (.bib ou .csv)
+    </label>
+    <input type="file" wire:model="file" class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" accept=".bib,.csv,text/plain,application/csv" required>
+    @error('file') <span class="text-red-500 text-xs italic">{{ $message }}</span> @enderror
+</div> 
\ No newline at end of file
diff --git a/resources/views/livewire/conducting/quality-assessment/buttons.blade.php b/resources/views/livewire/conducting/quality-assessment/buttons.blade.php
index 0cc527e2c..c250d5306 100644
--- a/resources/views/livewire/conducting/quality-assessment/buttons.blade.php
+++ b/resources/views/livewire/conducting/quality-assessment/buttons.blade.php
@@ -1,13 +1,19 @@
 <div >
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportCsv">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportCsv' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-solid fa-file-csv"></i>
         {{ __('project/conducting.quality-assessment.buttons.csv' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportXml">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportXml' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-code"></i>
         {{ __('project/conducting.quality-assessment.buttons.xml' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportPdf">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportPdf' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-pdf"></i>
         {{ __('project/conducting.quality-assessment.buttons.pdf' )}}
     </a>
diff --git a/resources/views/livewire/conducting/snowballing/buttons.blade.php b/resources/views/livewire/conducting/snowballing/buttons.blade.php
index aa9df9067..696e5ce15 100644
--- a/resources/views/livewire/conducting/snowballing/buttons.blade.php
+++ b/resources/views/livewire/conducting/snowballing/buttons.blade.php
@@ -1,13 +1,19 @@
 <div >
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportCsv">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportCsv' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-solid fa-file-csv"></i>
         {{ __('project/conducting.snowballing.buttons.csv' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportXml">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportXml' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-code"></i>
         {{ __('project/conducting.snowballing.buttons.xml' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportPdf">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportPdf' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-pdf"></i>
         {{ __('project/conducting.snowballing.buttons.pdf' )}}
     </a>
diff --git a/resources/views/livewire/conducting/study-selection/buttons.blade.php b/resources/views/livewire/conducting/study-selection/buttons.blade.php
index fe0b9156b..d024913c4 100644
--- a/resources/views/livewire/conducting/study-selection/buttons.blade.php
+++ b/resources/views/livewire/conducting/study-selection/buttons.blade.php
@@ -1,14 +1,20 @@
 <div>
     <!-- Botões de exportação e remoção de duplicados -->
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportCsv">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportCsv' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-solid fa-file-csv"></i>
         {{ __('project/conducting.study-selection.buttons.csv' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportXml">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportXml' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-code"></i>
         {{ __('project/conducting.study-selection.buttons.xml' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportPdf">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportPdf' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-pdf"></i>
         {{ __('project/conducting.study-selection.buttons.pdf' )}}
     </a>
diff --git a/resources/views/livewire/reporting/peer-review-quality-buttons.blade.php b/resources/views/livewire/reporting/peer-review-quality-buttons.blade.php
index 0cc527e2c..c250d5306 100644
--- a/resources/views/livewire/reporting/peer-review-quality-buttons.blade.php
+++ b/resources/views/livewire/reporting/peer-review-quality-buttons.blade.php
@@ -1,13 +1,19 @@
 <div >
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportCsv">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportCsv' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-solid fa-file-csv"></i>
         {{ __('project/conducting.quality-assessment.buttons.csv' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportXml">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportXml' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-code"></i>
         {{ __('project/conducting.quality-assessment.buttons.xml' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportPdf">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportPdf' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-pdf"></i>
         {{ __('project/conducting.quality-assessment.buttons.pdf' )}}
     </a>
diff --git a/resources/views/livewire/reporting/peer-review-selection-buttons.blade.php b/resources/views/livewire/reporting/peer-review-selection-buttons.blade.php
index ff620a1f3..faa9a3c32 100644
--- a/resources/views/livewire/reporting/peer-review-selection-buttons.blade.php
+++ b/resources/views/livewire/reporting/peer-review-selection-buttons.blade.php
@@ -1,14 +1,20 @@
 <div>
     <!-- Botões de exportação e remoção de duplicados -->
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportCsv">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportCsv' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-solid fa-file-csv"></i>
         {{ __('project/conducting.study-selection.buttons.csv' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportXml">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportXml' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-code"></i>
         {{ __('project/conducting.study-selection.buttons.xml' )}}
     </a>
-    <a class="btn py-1 px-3 btn-outline-secondary ms-auto" wire:click.prevent="exportPdf">
+    <a class="btn py-1 px-3 btn-outline-secondary ms-auto {{ !$hasPapers ? 'disabled opacity-50 cursor-not-allowed' : '' }}" 
+       wire:click.prevent="{{ $hasPapers ? 'exportPdf' : '' }}"
+       @if(!$hasPapers) disabled @endif>
         <i class="fa-regular fa-file-pdf"></i>
         {{ __('project/conducting.study-selection.buttons.pdf' )}}
     </a>