SUMARNO. PENGARUH KUALITAS PELAYANAN PENDIDIKAN TERHADAP KEPUASAN ORANG TUA SISWA DI SDI INTEGRAL LUQMAN AL HAKIM BATAM . MUMTAZ - Education Management and Islamic Studies, [S. l.], v. 1, n. 1, p. 33–43, 2021. DOI: 10.70936/mumtaz.v1i1.2. Disponível em: https://e-journal.mumtaz.ac.id/index.php/mumtaz/article/view/2. Acesso em: 30 apr. 2026.