GENTA HARU PURWANTO; IRFANDI. Development of an Alumni Based Islamic Boarding School at the Hadirul Ulum Islamic Boarding School. Al-fahim : Jurnal Manajemen Pendidikan Islam, [S. l.], v. 8, n. 2, p. 194–213, 2026. DOI: 10.54396/alfahim.v8i2.2804. Disponível em: https://staitbiasjogja.ac.id/jurnal/index.php/alfahim/article/view/2804. Acesso em: 10 nov. 2026.