Achmad Mauludi Asror and I Kadek Dwi Nuryana 2025. Prediction and Analysis of Customer Churn at Telkomsel Using Machine Learning Approach. Journal of Emerging Information Systems and Business Intelligence. 6, 2 (Jul. 2025), 230~240. DOI:https://doi.org/10.26740/jeisbi.v6i2.65825.