Wojewódzka-Wiewiórska, Agnieszka, and Klaus Wagner. “SHRINKING RURAL AREAS AS DEMOGRAPHIC PROBLEM AREAS – THE EXAMPLE OF POLAND AND AUSTRIA”. Acta Scientiarum Polonorum. Oeconomia 21, no. 3 (January 10, 2023): 33–42. Accessed May 18, 2024. https://aspe.sggw.edu.pl/article/view/4556.