MD. RASHED BUIYA. A Systematic Review of AI-Enabled Fraud Detection in Digital Financial Systems (2019–2026). American Journal of Data Science and Analytics, [S. l.], v. 7, n. 03, p. 125–162, 2026. DOI: 10.63125/wpj89816. Disponível em: https://ajdsa-journal.org/index.php/ajdsa/article/view/13. Acesso em: 7 apr. 2026.