Sangkot Abdullah Efendi Harahap, Taqwatul Uliyah, Nur Widiastuti. ETOS KERJA KEPALA SEKOLAH TERHADAP KEDISIPLINAN GURU SD ALKAHFI ISLAMIC SCHOOL. unisanjurnal [Internet]. 2023Apr.5 [cited 2026Apr.29];2(4):43-5. Available from: http://journal.an-nur.ac.id/index.php/unisanjournal/article/view/1314