GAURAV TAMRAKAR. Role-Based Digital Signature Workflows for Secure Authorization of Treasury Payments in ERP Systems. International Journal of communication and computer Technologies, [S. l.], v. 6, n. 2, p. 21–24, 2018. Disponível em: https://ijccts.org/index.php/pub/article/view/279. Acesso em: 10 feb. 2026.