Čičak, Mirko, and Marica Mirić. “Tokovi Robe između Grčke I Zemalja Zapadne Evrope”. Promet - Traffic&Transportation 2, no. 5-6 (October 11, 2012): 297–300. Accessed August 27, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/1607.