Tran, Thi Quynh Mai, et al. “Psychological Mechanisms Linking Project-Based Learning to SDG Awareness: The Mediating Roles of Self-Efficacy, Learning Motivation,and Flow Experience Perception”. Engineering and Technology For Sustainable Development, vol. 36, no. 2, Mar. 2026, pp. 110-23, https://jst.vn/index.php/etsd/article/view/1019.