HASIBUAN, R. PERANAN MOTIVASI KEPALA MADRASAH TERHADAP DISIPLIN MENGAJAR GURU DI MTS.S SIDIKALANG KECAMATAN SIDIKALANG KABUPATEN DAIRI. HIBRUL ULAMA, [S. l.], v. 2, n. 2, p. 32–42, 2020. Disponível em: https://ejurnal.univamedan.ac.id/index.php/hibrululama/article/view/126. Acesso em: 4 may. 2024.