HERNÁNDEZ TAMACAS, M. A.; DELGADO DE HERNÁNDEZ, J. I. Material in Virtual Platforms and its impact on learning and course perception. Anuario de Investigación: Universidad Católica de El Salvador, [S. l.], v. 12, n. 1, p. 55–61, 2023. DOI: 10.5377/aiunicaes.v12i1.16625. Disponível em: https://www.camjol.info/index.php/aiunicaes/article/view/16625. Acesso em: 18 may. 2024.