CASTILLO CEVALLOS, R. N.; QUINTANA SUAREZ, B. . The online modality in the school performance of 8th grade students in the subject of mathematics. Revista Iberoamericana de educación, [S. l.], v. 6, n. 3, 2022. DOI: 10.31876/rie.v6i3.226. Disponível em: https://revista-iberoamericana.consultorioampuero.com/index.php/es/article/view/226. Acesso em: 1 sep. 2026.