Nico, Abbas, and Galilee Pourhasan Darabih. “The Study of the Reasons of the Islamic Dynasties Formation in North Africa and Andalusia”. International Academic Journal of Social Sciences, vol. 4, no. 2, Dec. 2017, pp. 66-72, https://iaiest.com/iaj/index.php/IAJSS/article/view/IAJSS1710031.