JAYASEELAN SHANMUGAM. Idempotency Mechanisms in Digital Payment Systems: Preventing Duplicate Transaction Processing. Journal of Computational Analysis and Applications (JoCAAA), [S. l.], v. 34, n. 11, p. 12–27, 2025. Disponível em: https://eudoxuspress.com/index.php/pub/article/view/4081. Acesso em: 13 may. 2026.