Cite the following article:
Rashid TA, Abbas DK, Turel YK (2019) A multi hidden recurrent neural network with a modified grey wolf optimizer. PLoS ONE 14(3): e0213237. https://doi.org/10.1371/journal.pone.0213237
Tarik A. Rashid and Nian Kh. Aziz, "Student Academic Performance Using Artificial Intelligence" ZANCO Journal of Pure and Applied Sciences, The official scientific journal of Salahaddin University-Erbil, ZJPAS, 2016, 28 (2); 56-69.