1.
Abdullah S, Mohd Talib N. The Decline of the Umayyad Caliphate in Andalus Based on Ibn Khaldun’s Theory. JAT [Internet]. 2023 Dec. 31 [cited 2024 Dec. 22];18(2):39-51. Available from: http://adum.um.edu.my/index.php/JAT/article/view/32464