VALENZONA, Robinson. Instructional Materials Enhancing High School Learners’ Engagement in Research Skills. Journal of Elementary and Secondary School , [S. l.], v. 4, n. 1, p. 18–35, 2026. DOI: 10.31098/jess.v4i1.3660. Disponível em: https://journals.researchsynergypress.com/index.php/jess/article/view/3660. Acesso em: 1 apr. 2026.