ADJU, Hadja Rohina Sadjail. Supervisory Competence and Leadership Style of Secondary School Principal in Jolo, Sulu. International Journal of Research in Engineering, Science and Management, [S. l.], v. 4, n. 9, p. 257–272, 2021. Disponível em: https://journal.ijresm.com/index.php/ijresm/article/view/1403.. Acesso em: 23 nov. 2024.