Yahya Al Mallah, H., هاشم, M. Mahmoud Qassem, and محب. “The King and the Caliphate in the Thought of Abdul Rahman Ibn Khaldun”. Adab Al-Rafidayn, vol. 50, no. 811, June 2025, pp. 1-28, doi:10.33899/radab.2020.166271.