AMEBLEH, Jennifer; OKOH, Onum Friday. Explainable Risk Controls for Digital Health Payments: SHAP-Constrained Gradient Boosting with Policy-Based Access, Audit Trails, and Chargeback Mitigation. International Journal of Scientific Research and Modern Technology, India, v. 2, n. 4, p. 13–28, 2023. DOI: 10.38124/ijsrmt.v2i4.746. Disponível em: https://www.ijsrmt.com/index.php/ijsrmt/article/view/746. Acesso em: 1 may. 2026.