Shawawreh, Fathi. “The Abbasi’s View Toward Reign 132-247 A.H./749-861 A.D. A Study for the Policy of the First Abbasid Era Caliphs in Stabilizing the State’s Pillars and Legitimacy”. Arts and Social Sciences Series 2, no. 4 (February 12, 2024): 437–467. Accessed April 24, 2024. https://journals.aabu.edu.jo/index.php/Art/article/view/412.