An Optimized Machine Learning Framework for Financial Fraud Detection Using SMOTE and Feature Selection. Synergy: Cross-Disciplinary Journal of  Digital Investigation (2995-4827), [S. l.], v. 4, n. 1, p. 60–78, 2026. Disponível em: https://multijournals.org/index.php/synergy/article/view/3901. Acesso em: 5 jun. 2026.