FraudGuardian: Self-Supervised and Adversarial Learning for Robust Financial Fraud Detection. Journal of Science, Innovation & Social Impact, [S. l.], v. 2, n. 1, p. 244–263, 2026. Disponível em: https://sagespress.com/index.php/JSISI/article/view/105. Acesso em: 18 mar. 2026.