Sabaruddin, Sabaruddin, and Muhammad Sapril Siregar. “TEACHER CLASS MANAGEMENT ABILITY IN IMPROVING SCHOOL QUALITY”. Jurnal Maritim Malahayati 2, no. 2 (July 1, 2021): 45-49. Accessed November 21, 2024. https://journal.poltekpelaceh.ac.id/index.php/jumama/article/view/26.