Nofa Fahd Jaber, Prof. Dr. Raed Hammoud Al Husunah. The crisis of the mandate of the Covenant after the death of the caliph al-Amir bi-Ahkam Allah and its political and doctrinal effects on the Fatimid state. RES MIL [Internet]. 2023 May 14 [cited 2024 May 18];13(3):2971-8. Available from: https://resmilitaris.net/index.php/resmilitaris/article/view/3921