Trinh , Thi Thu Giang. “Testing the Relationship Between Out-of-Class Student Engagement and Student Learning Outcomes: The Case of Business Students in Vietnam”. Journal of International Economics and Management 21, no. 3 (November 24, 2021): 108-134. Accessed April 19, 2024. https://jiem.ftu.edu.vn/index.php/jiem/article/view/6.