OLIVKOVÁ, I.; KŘIVDA, V. INFORMATION ROLE IN PUBLIC TRANSPORT. Perner’s Contacts, [S. l.], v. 1, n. 4, p. 1–6, 2006. Disponível em: https://pernerscontacts.upce.cz/index.php/perner/article/view/1417. Acesso em: 24 lis. 2024.