Graph Neural Network-Based Nationwide Healthcare Fraud Detection and Financial Risk Intelligence for Medicare and Medicaid Systems. International Journal of Humanities and Information Technology, [S. l.], v. 8, n. 2, p. 19–29, 2026. DOI: 10.21590/ijhit.08.02.03. Disponível em: https://ijhit.info/index.php/ijhit/article/view/231. Acesso em: 17 jun. 2026.