THE ISSUE OF CYBER SECUTIRY IN RAIL TRAN SPORT. Perner’s Contacts, [S. l.], v. 13, n. 1, p. 105–111, 2018. Disponível em: https://pernerscontacts.upce.cz/index.php/perner/article/view/484. Acesso em: 5 mar. 2026.