UMAR, F. UPAYA PENINGKATAN MUTU PEMBELARAN MELALUI SUPERVISI AKADEMIK DI SMA NEGERI 1 SUNGAI MAS. Jurnal Ragam, [S. l.], v. 2, n. 1, 2022. Disponível em: http://journal.umuslim.ac.id/index.php/rg/article/view/1109. Acesso em: 4 dec. 2024.