Younis, Mohsen, and Ramia Jame. “Abdul Rahman Al- Dakhl Relationship With the Abbasid Caliphate in Baghdad (138-172 AH/756-788 AD )”. Tishreen University Journal- Arts and Humanities Sciences Series 41, no. 6 (December 2, 2019). Accessed May 15, 2024. https://journal.tishreen.edu.sy/index.php/humlitr/article/view/9265.