Castillo Cevallos, Ricardo Natael, and Belkys Quintana Suarez. “The Online Modality in the School Performance of 8th Grade Students in the Subject of Mathematics”. Revista Iberoamericana de educación 6, no. 3 (July 19, 2022). Accessed September 10, 2026. https://www.revista-iberoamericana.org/index.php/es/article/view/226.