SARAIVA, Ana Cristina; SILVA, Nuno Alves. The COVID-19 Impact on Online Education – Opportunities and Challenges in a SWOT Analysis. International Journal of Research in E-learning, [S. l.], v. 7, n. 2, p. 1–18, 2021. DOI: 10.31261/IJREL.2021.7.2.03. Disponível em: https://journals.us.edu.pl/index.php/IJREL/article/view/11626. Acesso em: 26 mar. 2025.