TAHA HASAN AL-NASSIR, S.; صفوان; YOUSIF IBRAHEEM, F.; فارس. 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, [S. l.], v. 50, n. 82, p. 511–532, 2025. DOI: 10.33899/radab.2020.166391. Disponível em: https://ojs.uomosul.edu.iq/index.php/radab/article/view/2564. Acesso em: 6 aug. 2025.