«PREDICTIVE LEARNING ANALYTICS FOR STUDENT RETENTION IN DIGITAL DISTANCE EDUCATION: MODELS AND ECONOMIC IMPLICATIONS», PST Journal, т. 2, вып. 5, сс. 2–15, окт. 2026, просмотрено: окт. 21, 2026. доступно на: https://pstjournal.uz/index.php/pst/article/view/154