“SUPERVISI KEPALA SEKOLAH TERHADAP KEDISIPLINAN DAN KINERJA GURU DI SMP AL-WASHLIYAH 26 MEDAN”, eduglobal, vol. 1, no. 1, pp. 44–59, Dec. 2020, Accessed: Aug. 09, 2026. Available: https://jurnal.stain-madina.ac.id/index.php/eduglobal/article/view/374