Ferko, Marija, Ana Stažnik, Maja Modrić, and Helena Dijanić. “The Impact of Traffic Sign Quality on the Frequency of Traffic Accidents”. Promet - Traffic&Transportation 31, no. 5 (October 25, 2019): 549-558. Accessed December 26, 2024. https://traffic.fpz.hr/index.php/PROMTT/article/view/3023.