Genta Haru Purwanto and Irfandi 2026. Development of an Alumni Based Islamic Boarding School at the Hadirul Ulum Islamic Boarding School. Al-fahim : Jurnal Manajemen Pendidikan Islam. 8, 2 (Sep. 2026), 194–213. DOI:https://doi.org/10.54396/alfahim.v8i2.2804.