FERKO, Marija; STAŽNIK, Ana; MODRIĆ, Maja; DIJANIĆ, Helena. The Impact of Traffic Sign Quality on the Frequency of Traffic Accidents. Promet - Traffic&Transportation, [S. l.], v. 31, n. 5, p. 549–558, 2019. DOI: 10.7307/ptt.v31i5.3023. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2819. Acesso em: 26 aug. 2025.