Tahir, zhilwan, and Abdulwahed Jala Nori Nuri. “Unveiling Historical Trajectory and Civilisational Evolution: A Comparative Examination through the Lenses of Ibn Khaldun and Oswald Spengler”. IIUM Journal of Religion and Civilisational Studies 6, no. 2 (January 1, 2024): 184–212. Accessed August 17, 2024. https://journals.iium.edu.my/irkh/index.php/ijrcs/article/view/300.