ASON, C.; QUITALIG, T. Managerial Skills of High School Principals: Their Influence on the Morale of Teachers. SSU - Digital Archive for Theses and Dissertations, [S. l.], v. 17, n. 1, p. 1–137, 2022. Disponível em: https://datd.ssu.edu.ph/index.php/datd/article/view/276. Acesso em: 24 nov. 2024.