MASOUD, R. S.; NORDIN, K. Control and Selection Controls in the Umayyad and Abbasid Periods. Al-Muqaddimah: Online Journal of Islamic History and Civilization, [S. l.], v. 7, n. 2, p. 66–74, 2020. Disponível em: https://ejournal.um.edu.my/index.php/MUQADDIMAH/article/view/24314. Acesso em: 2 may. 2024.