Perbaikan Kualitas Pelayanan Pendidikan Dalam Memenuhi Kepuasan Pelanggan Di SMP IT Sunan Kalijaga Blitar. Al-Ikhtibar: Jurnal Ilmu Pendidikan, [S. l.], v. 11, n. 1, p. 48–59, 2024. DOI: 10.32505/ikhtibar.v11i1.8660. Disponível em: https://journal.iainlangsa.ac.id/index.php/ikhtibar/article/view/8660. Acesso em: 13 may. 2026.