1. Customer loyalty: toward an integrated conceptual framework;Dick AS;J Acad Mark Sci,1994
2. Wikipedia (2023) accessed Sep 28,. Customer attrition. https://en.wikipedia.org/wiki/Customer_attrition
3. Reichheld F (2001) Prescription for cutting costs, Bain & Company. Harvard Business School Publishing
4. Why satisfied customers defect;Jones TO;IEEE Eng Manage Rev,1998
5. Nie G, Rowe W, Zhang L, Tian Y, Shi Y (2011) Credit card churn forecasting by logistic regression and decision tree, Expert Systems with Applications, vol. 38, no. 12, pp. 15273–15285