Effendi, Rahmat. “Sufism in the Perspective of Ibn Khaldun and Ibn Taimiyah: A Comparative Study”. Jurnal Fuaduna : Jurnal Kajian Keagamaan dan Kemasyarakatan 5, no. 1 (June 30, 2021): 70–82. Accessed May 20, 2026. https://ejournal.uinbukittinggi.ac.id/fuaduna/article/view/4098.