Zając, Dariusz. “THE CHANGE IN THE REGISTERED NONAGICULTURAL COMMERCIAL ACTIVITY OF FARMERS IN PODKARPACIE REGION”. Acta Scientiarum Polonorum. Oeconomia 2, no. 1 (June 30, 2003): 67–78. Accessed May 7, 2024. https://aspe.sggw.edu.pl/article/view/997.