TOMA, C.-V. On-line Payment and Security of E-commerce. International Conference on Cybersecurity and Cybercrime, [S. l.], v. 5, p. 35–42, 2018. DOI: 10.19107/CYBERCON.2018.05. Disponível em: https://www.proceedings.cybercon.ro/index.php/ic3/article/view/2018-05. Acesso em: 12 jun. 2026.