YOGA AMARTA; JASRIAL; NURHIZRAH GISTITUATI; AHMAD SABANDI. Development of a training model to improve the managerial competence of Islamic boarding schools based on problem-based learning . Indonesian Research Journal in Education |IRJE|, [S. l.], v. 9, n. 01, p. 362–375, 2025. DOI: 10.22437/irje.v9i01.36574. Disponível em: https://www.online-journal.unja.ac.id/irje/article/view/36574. Acesso em: 17 apr. 2026.