Bawanih L. The Crisis of the Vizierate in the Period of the Fatimid Caliph al-Zafir bi-Amr Allah. The Vizier Al-Adil Ibn al-Sullar as a Model (544-548 AH / 1149-1153 CE). jjha [Internet]. 2020 Jan. 21 [cited 2026 Feb. 25];9(3). Available from: https://archives.ju.edu.jo/index.php/jjha/article/view/106248