ROOFI`’I, M. PENDEKATAN KAIZEN DALAMPERBAIKAN MUTU PENDIDIKAN. Al Ulya: Jurnal Pendidikan Islam, [S. l.], v. 7, n. 2, p. 112–127, 2023. DOI: 10.32665/alulya.v7i2.1568. Disponível em: https://journal2.unugiri.ac.id/index.php/al-ulya/article/view/1568. Acesso em: 5 oct. 2024.