DRDLA, P. DEVELOPMENT STAGES OF FORMATION OF INTEGRATED TRANSPORT SYSTEMS. Perner’s Contacts, [S. l.], v. 6, n. 2, p. 24–28, 2011. Disponível em: https://pernerscontacts.upce.cz/index.php/perner/article/view/824. Acesso em: 25 dub. 2024.