NELLY, Nelly. Peran Kepala Madrasah dalam Meningkatkan Mutu Pendidikan (Studi Kasus di MTs. Swasta Sidikalang). Hikmah, [S. l.], v. 19, n. 1, p. 26–37, 2022. DOI: 10.53802/hikmah.v19i1.148. Disponível em: https://www.e-jurnal.staisumatera-medan.ac.id/index.php/hikmah/article/view/148. Acesso em: 16 jun. 2025.