Wu, Kexin, and Kun Chi. “Enhanced E-Commerce Customer Engagement: A Comprehensive Three-Tiered Recommendation System”. Journal of Knowledge Learning and Science Technology ISSN: 2959-6386 (online) 2, no. 3 (January 27, 2024): 348–359. Accessed September 20, 2024. https://jklst.org/index.php/home/article/view/110.