MUKHLASIN, Ahmad. Manajemen Supervisi Kepala Sekolah Dalam Meningkatkan Profesionalitas Guru Di Sd Swasta Al-Ittihadiah Laut Dendang Kecamatan Percut Sei Tuan Kabupaten Deli Serdang. Journal Of Education And Teaching Learning (JETL), [S. l.], v. 2, n. 3, p. 9–19, 2020. DOI: 10.51178/jetl.v2i3.12. Disponível em: https://pusdikra-publishing.com/index.php/jetl/article/view/12. Acesso em: 6 oct. 2025.