Customer Segmentation Analysis with RFM Model (Recency, Frequency, Monetary) and K-Means Clustering: Case Study of Bottled Water Sales at PT XYZ. jse [Internet]. 2025 Mar. 14 [cited 2026 Jun. 30];10(2). Available from: http://jse.serambimekkah.id/index.php/jse/article/view/750