OLIVKOVÁ, I. MEASURES TO ENHANCE PERSONAL SECURITY IN PUBLIC TRANSPORT. Perner’s Contacts, [S. l.], v. 3, n. 1, p. 1–7, 2008. Disponível em: https://pernerscontacts.upce.cz/index.php/perner/article/view/1209. Acesso em: 21 kvě. 2024.