LUCERO, F.; ARTECHE, D. . The Impact of Secondary School Heads Competencies And The School Performance. SSU - Digital Archive for Theses and Dissertations, [S. l.], v. 37, n. 1, p. 1–158, 2022. Disponível em: https://datd.ssu.edu.ph/index.php/datd/article/view/27. Acesso em: 24 nov. 2024.