Doan Van Thanh Phong, Le Khac Toan, Le Van Vinh, Daniel Ambach, and Tran Van Lang. 2026. “STUDENT DROPOUT PREDICTION IN ONLINE COURSES BASED ON SUPERVISED CONTRASTIVE LEARNING”. HUFLIT Journal of Science 10 (4):1-11. https://hjs.huflit.edu.vn/index.php/hjs/article/view/448.