SYOFIANSYAH, A. The Urgency of Educator Certification for Ustadz to Guarantee the Quality of Education in Islamic Boarding Schools. JURNAL ILMIAH GEMA PERENCANA, [S. l.], v. 4, n. 2, p. 931–950, 2025. DOI: 10.61860/jigp.v4i2.294. Disponível em: https://gemaperencana.id/index.php/JIGP/article/view/294. Acesso em: 4 nov. 2025.