SINGAL, Cicilia Indry; USOH, Elni J.; TAMBINGON, Henny; SUMUAL, Shelty D. M. Peran Leadership Kepala Sekolah Di SMA Negeri 1 Airmadidi. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 2, p. 4391–4399, 2023. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/834. Acesso em: 12 may. 2026.