Štefančić, Gordana, and Marijana Gjumbir. “Primjena Upotpunjene Russellove Metode U Multimodalnom Transportu”. Promet - Traffic&Transportation 2, no. 4 (1): 169-172. Accessed June 1, 2025. http://traffic.fpz.hr/index.php/PROMTT/article/view/1109.