Nuryansyah, Bayu Aditiya, Raihanullah, and Oriandika Rasyid. “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, no. 3 (June 16, 2026): 795–801. Accessed June 17, 2026. https://journal.jci.co.id/jisbt/article/view/525.