Fadel ب. ع.; Mal Allah أ. د. ن. م. . The political system in the Umayyad era. Tasnim International Journal for Human, Social and Legal Sciences, [S. l.], v. 2, n. 1, p. 382–404, 2023. Disponível em: https://tasnim-lb.org/index.php/ijhs/article/view/66. Acesso em: 22 oct. 2024.