Ermy Azziaty Rozali, Ezad Azraai Jamsari, and Anwar Muttaqin, Sheikh Abdullah Fahim Warisan Keilmuan, Astronomi dan Politik. Penerbit UTHM, 2023. Accessed: Aug. 26, 2026. [Online]. Available: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/379