Irham, Irham. “Al-Ta‘līm Al-Islāmī Al-maftūḥ Ladá KH. Sahal Mahfudz (1937-2014)”. Studia Islamika 29, no. 1 (June 22, 2022): 143–188. Accessed October 5, 2025. https://studiaislamika.ppimcensis.or.id/index.php/studia-islamika/article/view/14657.