Internal quality assurance system (IQAS) as an effort to create a superior Islamic boarding school. Community Empowerment, [S. l.], v. 6, n. 12, p. 2245–2252, 2021. DOI: 10.31603/ce.5547. Disponível em: https://coba.unimma.ac.id/ce/article/view/5547. Acesso em: 30 sep. 2026.