Puspa Dewani, B. and Subroto, A. 2025. Customer Retention Strategy through Churn Prediction in Four-Wheeled Vehicle After-Sales Services Using Big Data Analytics. Dinasti International Journal of Economics, Finance & Accounting. 6, 3 (Jul. 2025), 2470–2477. DOI:https://doi.org/10.38035/dijefa.v6i3.4753.