UPI Fraud Detection. International Journal of Computer Technology and Electronics Communication, [S. l.], v. 1, n. 1, p. 19–28, 2018. DOI: 10.15680/IJCTECE.2018.0101004. Disponível em: https://ijctece.com/index.php/IJCTEC/article/view/258. Acesso em: 4 feb. 2026.