HIDAYAH, H.; ASRIL SAAD NASUTION, A. S. N. KONTRIBUSI KEPEMIMPINAN KEPALA SEKOLAH DENGAN KINERJA GURU DI SMP NEGERI 1 TANJUNG LEIDONG. MUMTAZ - Education Management and Islamic Studies, [S. l.], v. 1, n. 2, p. 94–99, 2021. DOI: 10.70936/mumtaz.v1i2.27. Disponível em: https://e-journal.mumtaz.ac.id/index.php/mumtaz/article/view/27. Acesso em: 30 apr. 2026.