Evaluation of the Online Learning System during the COVID-19 Pandemic: A Systematic literature. Journal of Educational Innovation and Research, [S. l.], v. 1, n. 1, p. 1–8, 2025. DOI: 10.0001/tm1e2p41. Disponível em: https://journal.dnahorizonpress.com/index.php/JEIR/article/view/2. Acesso em: 4 apr. 2026.