Simbolon, Sahat. “Work Commitment, Work Discipline, and Competence Effects on Teacher Performance: Evidence from an Islamic Private School in Medan”. Jurnal Studi Multidisiplin Ilmu 2, no. 3 (September 3, 2024): 33–48. Accessed July 9, 2026. https://penerbitgoodwood.com/index.php/Jasmi/article/view/6907.