Kotsan N, Kopachynska H. The functioning of the Polish-Ukrainian border within conditions of European integration process intensification (on the example of Euroregion “Bug”). JGPS [Internet]. 2017 Jun. 30 [cited 2024 May 17];7(2):43-7. Available from: https://czasopisma.bg.ug.edu.pl/index.php/JGPS/article/view/3608