Abdullah, S. and Mohd Talib, N. (2023) “The Decline of the Umayyad Caliphate in Andalus Based on Ibn Khaldun’s Theory”, Journal of Al-Tamaddun, 18(2), pp. 39–51. Available at: http://ojie.um.edu.my/index.php/JAT/article/view/32464 (Accessed: 23 December 2024).