Tien, H. N. ., S. T. . My, T. N. Duy, and D. N. . Ngoc. “The Mediated Role of Satisfaction in Boosting the Perceived Progress via Interaction in Online Learning: Empirical Evidence from Private Universities in Vietnam”. International Journal of Learning, Teaching and Educational Research, vol. 21, no. 11, Nov. 2022, pp. 393-08, https://ijlter.net/index.php/ijlter/article/view/1473.