HARLIANSYAH, H. The Effectiveness of Principal Leadership in Improving Teacher Performance. Educationist: Journal of Educational and Cultural Studies, [S. l.], v. 1, n. 1, p. 99–106, 2022. Disponível em: https://jurnal.litnuspublisher.com/index.php/jecs/article/view/65. Acesso em: 15 nov. 2024.