Khairun Nikmah et al. 2024. EFFECTIVENESS OF SUPERVISION TO IMPROVE TEACHER DISCIPLINE IN THE PAI LEARNING PROCESS AT SMKN 4 TEBING TINGGI. Islamic Management: Jurnal Manajemen Pendidikan Islam. 7, 02 (Jul. 2024). DOI:https://doi.org/10.30868/im.v7i02.6503.