Ratajczak, Marcin. “ECONOMIC CONDITION OF SMALL AND MEDIUM ENTERPRISES FROM RURAL AREAS OF WARMIA AND MAZURY”. Acta Scientiarum Polonorum. Oeconomia 9, no. 2 (June 30, 2010): 163–172. Accessed January 12, 2025. https://aspe.sggw.edu.pl/article/view/724.