ABDULLAH, S.; MOHD TALIB, N. The Decline of the Umayyad Caliphate in Andalus Based on Ibn Khaldun’s Theory. Journal of Al-Tamaddun, [S. l.], v. 18, n. 2, p. 39–51, 2023. Disponível em: http://ojie.um.edu.my/index.php/JAT/article/view/32464. Acesso em: 23 dec. 2024.