Pinaki Bose 2026. A Hybrid, Privacy-Preserving AI Framework for 340B Program Fraud Detection: Moving Beyond Rule-Based Audits with Federated Learning and Graph Neural Networks. International Journal of Computer Information Systems and Industrial Management Applications. 18, 20s (Aug. 2026), 224–234. DOI:https://doi.org/10.70917/ijcisim-2026-5176.