ABIDIN, M. .; NURDYANSYAH, N.; HIDAYATULLOH, H. The Principal’s Performance as a Supervisor in Improving Teacher Professionalism: Kinerja Kepala Sekolah sebagai Supervisor dalam Meningkatkan Profesionalisme Guru. Proceedings of The ICECRS, [S. l.], v. 5, 2020. DOI: 10.21070/icecrs2020400. Disponível em: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/400. Acesso em: 10 oct. 2025.