PETROVIĆ, Marjana; TODOROVA, Daniela. 21st International Scientific Conference Transport 2013. Promet - Traffic&Transportation, [S. l.], v. 25, n. 6, p. 609–610, 2013. DOI: 10.7307/ptt.v25i6.1439. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2443. Acesso em: 26 aug. 2025.