Bắc, Nguyễn Việt, and Nguyen-Viet Bang. “Basic Psychological Need Satisfaction and Student Engagement in Learning: The Role of Gamification in Education”. VNUHCM Journal of Economics, Business and Law 8, no. 4 (December 31, 2024): 5716-5730. Accessed May 25, 2026. http://ebl.vnuhcmjournal.com.vn/index.php/ebl/article/view/1461.