Taha Hasan AL-Nassir, Safwan, صفوان, Firas Yousif Ibraheem, and فارس. 2025. “The Role of the Abbasid Caliphs in Fortification of Coastal Cities With Byzantine State in the First Abbasid Era (132-232 AH/750-847AD )”. Adab Al-Rafidayn 50 (82):511-32. https://doi.org/10.33899/radab.2020.166391.