Erceg, Biljana Činčurak. «INLAND WATERWAYS TRANSPORT IN THE EUROPEAN UNION - FLOWING OR STILL STANDING?». Proceedings of the International Scientific Conference "Social Changes in the Global World" 1, no. 6 (сентябрь 19, 2019): 123-137. просмотрено август 9, 2025. https://js.ugd.edu.mk/index.php/scgw/article/view/3107.