My, Sang Tang, Hung Nguyen Tien, Ha Tang My, and Thang Le Quoc. “E-Learning Outcomes During the COVID-19 Pandemic”. International Journal of Learning, Teaching and Educational Research 21, no. 6 (June 30, 2022): 160–177. Accessed April 19, 2026. https://ijlter.myres.net/index.php/ijlter/article/view/1346.