Nowak, Anna, Artur Krukowski, and Ewa Wójcik. “THE CHANGES IN PRODUCTIVITY OF PRODUCTION FACTORS IN COMMERCIAL FARMS IN POLAND IN 2004 AND 2012”. Acta Scientiarum Polonorum. Oeconomia 14, no. 3 (September 30, 2015): 105-115. Accessed December 22, 2024. https://js.wne.sggw.pl/index.php/aspe/article/view/4186.