Singal, Cicilia Indry, Elni J. Usoh, Henny Tambingon, and Shelty D. M. Sumual. 2023. “Peran Leadership Kepala Sekolah Di SMA Negeri 1 Airmadidi”. Innovative: Journal Of Social Science Research 3 (2):4391-99. https://j-innovative.org/index.php/Innovative/article/view/834.