UMI KALSUM; JULIANA; CINDY; ISWANTO; RATNA DWI RAMDHANI. Peningkatkan Mutu Pembelajaran Melalui Supervisi Aktif di SMPN 1 Sangatta Selatan. Ahsan: Jurnal Ilmiah Keislaman dan Kemasyarakatan, [S. l.], v. 1, n. 1, p. 91–97, 2024. Disponível em: https://jurnal.pustari.com/index.php/ahsan/article/view/13. Acesso em: 3 jul. 2026.