Eman Talaat Abdulrazaq Aldabbagh. “EVENT DIRHAMS OF THE ABBASID CALIPH AL-MU’TAZID BILLAH (279-289 H) - (892-902 AD) An Analytical Study”. QALAAI ZANIST JOURNAL 4, no. 4 (December 30, 2019): 890–921. Accessed November 21, 2024. https://journal.lfu.edu.krd/ojs/index.php/qzj/article/view/107.