ENGKU ALAWI, E. A. Z. Al-Mu‘tazilah wa Musāhamātihim fī al-Fikr al-Islāmī. Jurnal Usuluddin, [S. l.], v. 18, p. 211–226, 2003. Disponível em: https://ejournal.um.edu.my/index.php/JUD/article/view/4098. Acesso em: 1 may. 2024.