باز ح. Umar ibn Abd al-Aziz: The Righteous Umayyad Caliph. Tasnim International Journal for Human, Social and Legal Sciences, [S. l.], v. 4, n. 2, p. 452–464, 2025. DOI: 10.56924/tasnim.13.2025/24. Disponível em: https://tasnim-lb.org/index.php/ijhs/article/view/333. Acesso em: 5 dec. 2025.