Marić, Vladimir, Zvonko Kavran, and Dražen Kovačević. “Traffic and Planning Aspects of Public Urban Transport”. Promet - Traffic&Transportation 16, no. 3 (May 25, 2004): 145–149. Accessed August 27, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/2079.