Bojarszczuk, Jolanta, and Jerzy Księżak. “EVALUATION OF PRODUCTION FACTORS AND THEIR EFFICIENCY IN DAIRY FARMS LOCALIZED IN THREE REGIONS OF LUBELSKIE VOIVODESHIP”. Acta Scientiarum Polonorum. Oeconomia 9, no. 2 (June 30, 2010): 29–39. Accessed April 28, 2024. https://aspe.sggw.edu.pl/article/view/736.