Umam, Khoerul. “Bermazhab Adalah Keniscayaan Sejarah”. El-Aqwal : Journal of Sharia and Comparative Law 1, no. 1 (August 1, 2022): 15–22. Accessed May 10, 2024. https://ejournal.uinsaizu.ac.id/index.php/elaqwal/article/view/6779.