DACULA, V.; PACOLOR, E. Development and Validation of Modules on Percent and Ratio for Mathematics I . SSU - Digital Archive for Theses and Dissertations, [S. l.], v. 13, n. 1, p. 1–279, 2022. Disponível em: https://datd.ssu.edu.ph/index.php/datd/article/view/266. Acesso em: 24 nov. 2024.