MUHAMMAD RAMDAN ALQADRI; AHMAD SYARIF HIDAYATULLAH; RIZAL BAKRI; MUH. QARDAWI HAMZAH. Decision Tree-Based Customer Churn Prediction in Banking: Predictive Performance, Data Leakage Detection, and Managerial Implications. Online Journal of Management, Innovation, Economics, and Digital Studies, [S. l.], v. 1, n. 1, p. 1–15, 2026. Disponível em: https://onmind.bisdig.feb.unm.ac.id/article/view/636. Acesso em: 26 jul. 2026.