Lucero, Francis, and Dolores Arteche. “The Impact of Secondary School Heads Competencies And The School Performance”. SSU - Digital Archive for Theses and Dissertations 37, no. 1 (April 4, 2022): 1–158. Accessed November 24, 2024. https://datd.ssu.edu.ph/index.php/datd/article/view/27.