Tobolska A. Forms of cross-border cooperation based on the example of the Baltic commune of Heringsdorf (Germany) and Świnoujście (Poland). Prace KGP PTG [Internet]. 2022 Dec. 28 [cited 2024 Nov. 23];36(4):32–42. Available from: https://prace-kgp.uken.krakow.pl/article/view/9569