Liu, Ziyu, Liye Dong, and Changli Wu. “Research on Personalized Recommendations for Students’ Learning Paths Based on Big Data”. International Journal of Emerging Technologies in Learning (iJET) 15, no. 08 (April 24, 2020): pp. 40–56. Accessed May 5, 2024. https://online-journals.org/index.php/i-jet/article/view/12245.