Engku Alwi, Engku Ahmad Zaki. “Kajian Ajaran Sesat Dalam Pengajian Islam: Satu Sorotan”. Jurnal Usuluddin 26 (December 31, 2007): 1–22. Accessed April 3, 2025. http://mjs.um.edu.my/index.php/JUD/article/view/5411.