Mishachandar, B, and Kakelli Anil Kumar. “Predicting Customer Churn Using Targeted Proactive Retention”. International Journal of Engineering and Technology 7, no. 2.27 (August 2, 2018): 69–76. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/10180.