„INLAND WATERWAYS TRANSPORT IN THE EUROPEAN UNION - FLOWING OR STILL STANDING?“, SCGW, Bd. 1, Nr. 6, S. 123–137, Sep. 2019, Zugegriffen: 23. April 2026. [Online]. Verfügbar unter: https://js.ugd.edu.mk/index.php/scgw/article/view/3107