Smoljan, Ivan. “Osvrt Na Djelatnost Osposobljavanja Osoba Za vozače Vozila Na Motorni Pogon”. Promet - Traffic&Transportation 6, no. 1-2 (October 11, 2012): 7–12. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/1747.