ȘTEFOI, M. Cybersecurity Challenges for E-learning Systems. International Conference on Cybersecurity and Cybercrime, [S. l.], v. 3, p. 75–86, 2016. DOI: 10.19107/CYBERCON.2016.09. Disponível em: https://www.proceedings.cybercon.ro/index.php/ic3/article/view/2016-09. Acesso em: 12 jun. 2026.