مرعي س. .; فحصة ك. . . Titles of the Abbasid caliphs in the first round (132-232 AH / 750-847 CE). Tishreen University Journal- Arts and Humanities Sciences Series, [S. l.], v. 43, n. 1, 2021. Disponível em: https://journal.tishreen.edu.sy/index.php/humlitr/article/view/10383. Acesso em: 17 may. 2024.