Enhancing Financial Security through the Integration of Machine Learning Models for Effective Fraud Detection in Transaction Systems. Architecture Image Studies, [S. l.], v. 6, n. 3, p. 531–555, 2025. DOI: 10.62754/ais.v6i3.248. Disponível em: https://www.journals.ap2.pt/index.php/ais/article/view/248. Acesso em: 15 oct. 2025.