Bekheet, M., N. M. AbdelAziz, A. Salah, N. El-Saber, and W. T. AbdelMoneim. “Enhancing Telecom Retention With a Stacking-Based Churn Model”. International Journal of Computers and Informatics (Zagazig University), vol. 9, Dec. 2025, pp. 136-47, https://www.ijci.zu.edu.eg/index.php/ijci/article/view/123.