Al Qahtani, Salem, Asyraf Jamil, and Fakhrul Abdul Kadir. “Educational Activity: A Preliminary Review and Some International Experiences”. Ta’allum: Jurnal Pendidikan Islam 5, no. 2 (November 1, 2017): 223-242. Accessed October 28, 2021. http://ejournal.iain-tulungagung.ac.id/index.php/taalum/article/view/611.