Ren, Tianyi. “Research On Purchasing Behavior and Marketing Strategy Optimization of Commercial Medical Insurance Based on Unsupervised Learning Algorithms”. International Journal of Computer Science and Information Technology 4, no. 1 (September 13, 2024): 110–120. Accessed August 22, 2026. https://wepub.org/index.php/IJCSIT/article/view/3506.