Jain , H. ., A. . Khunteta, and S. . Srivastava. “Telecom Churn Prediction Using an Ensemble Approach With Feature Engineering and Importance”. International Journal of Intelligent Systems and Applications in Engineering, vol. 10, no. 3, Oct. 2022, pp. 22-33, https://ijisae.org/index.php/IJISAE/article/view/2134.