Comparison of Students’ Academic Performance in Mathematics Course with Synchronous and Asynchronous Online Learning Environments during COVID-19 Crisis. International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 10, n. 2, 2021. Disponível em: https://www.ijarped.com/index.php/journal/article/view/2162. Acesso em: 13 may. 2026.