Montero, Zidane Dwi. “Customer Grouping for Customer Relationship Management Optimization With the K-Means Algorithm”. Journal of Computer Scine and Information Technology 8, no. 4 (October 31, 2022): 98–105. Accessed June 18, 2026. https://jcsitech-upiyptk.org/ojs/index.php/jcsitech/article/view/46.