Martín-Uceda, Javier, and Jarosław Jańczak. “A View of German-Polish Cross-Border Cooperation: An Experience from the 2007– 2013 INTERREG Programme”. Border and Regional Studies 6, no. 3 (November 25, 2018): 229–251. Accessed November 21, 2024. https://czasopisma.uni.opole.pl/index.php/p/article/view/369.