Improving Predictive Performance in Telecom Churn Modeling with Hybrid SMOTE and GAN-Based Synthetic Data Generation. - Renuka Agrawal; Safa Hamdare; Divyanshu Ghosh; Kaustubh Ghenand; Tawishi Gupta; Prisha Patel; Sakshi Chauhan; Sanika Upasani; Pratyush Agrawal (Int. J. Comput. Intell. Syst., 2026)