MARDIYAH, M. Total Quality Management for High Quality Education Strategy at Pondok Modern Darussalam Gontor Ponorogo. QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama, [S. l.], v. 15, n. 2, p. 745–756, 2023. DOI: 10.37680/qalamuna.v15i2.2604. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/qalamuna/article/view/2604. Acesso em: 20 aug. 2025.