GUS-PUSZCZEWICZ, Aleksandra. INLAND WATERWAYS IN THE DEVELOPMENT OF INLAND SHIPPING. Transport Economics and Logistics, [S.l.], v. 77, p. 33-40, feb. 2019. ISSN 2657-6104. Available at: <http://www.znetil.ug.edu.pl/index.php/etil/article/view/223>. Date accessed: 11 aug. 2020. doi: http://dx.doi.org/10.26881/etil.2018.77.03.