Nuryansyah, B.A., Raihanullah and Rasyid, O. (2026) “Customer Segmentation Analysis and Churn Prediction in E-commerce Using K-Means Clustering and Random Forest: A Case Study of the Brazilian E-commerce Platform Olist”, Journal of Information Systems and Business Technology, 2(3), pp. 795–801. Available at: https://journal.jci.co.id/jisbt/article/view/525 (Accessed: 17 June 2026).