Ubaidillah, Ulil, Hasan Basri, & Moh Ahyan Yusuf Sya'bani.
" Kh Imam Zarkasyi's Life Principles In Education Of Modern Pondok Santri Darussalam Gontor In Muhammad Ridlo Zarkasyi's Book." <em>Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC)</em> [Online], 1.2 (2021): 100-105. Web. 20 Apr. 2024