Al Ghozali, M. D. “Faktor-Faktor Penyebab Kesulitan Belajar Mahasiswa PAI Unwaha Pada Mata Kuliah Bahasa Arab”. JoEMS (Journal of Education and Management Studies), Vol. 2, no. 2, Apr. 2019, pp. 41-46, http://ojs.unwaha.ac.id/index.php/joems/article/view/103.