MUIN, Abdul; MURTADHO, Murtadho; SUPRATNO, Haris. The Principal’s Leadership in Developing Quality of Education. International Journal of English Literature and Social Sciences (IJELS), [S. l.], v. 5, n. 3, 2020. Disponível em: https://journal-repository.com/index.php/ijels/article/view/2057.. Acesso em: 1 may. 2025.