MATAMMU, C. Development and Validation of an Achievement Test in Filipino for Tertiary Level. International Journal of Arts, Sciences and Education, [S. l.], v. 3, n. 1, p. 225–246, 2022. Disponível em: https://www.mail.ijase.org/index.php/ijase/article/view/111. Acesso em: 16 apr. 2026.