JOLONGBAYAN, Anselmo L. Leadership Competencies of School Heads of Public Secondary Junior High School as Correlates to Organizational Effectiveness. International Journal of Research in Engineering, Science and Management, [S. l.], v. 6, n. 1, p. 101–106, 2023. Disponível em: https://journal.ijresm.com/index.php/ijresm/article/view/2528.. Acesso em: 1 sep. 2024.