THI MAI OANH, Lu; THUY, Nguyen Thi Nhu. Assessing the Effectiveness of Students' Online Learning amid the COVID-19 Epidemic. VNU Journal of Science: Education Research, [S.l.], v. 37, n. 1, nov. 2020. ISSN 2588-1159. Available at: <https://js.vnu.edu.vn/ER/article/view/4445>. Date accessed: 28 nov. 2024. doi: https://doi.org/10.25073/2588-1159/vnuer.4445.