KHADIJAH KHADIJAH; MARUDUT SIANTURI; MUHAMMAD HALFI INDRA SYAHPUTRA. Disiplin dan Motivasi Kerja Terhadap Prestasi Kerja pada Sekolah Menengah Pertama (SMP) Negeri 15 Medan. Epsilon : Journal of Management (EJoM), [S. l.], v. 1, n. 2, p. 01–09, 2023. Disponível em: https://journal.unisan.ac.id/index.php/Epsilon/article/view/50. Acesso em: 19 sep. 2024.