Lewandowski, Radosław. 2008. “FARMS COMPETITIVENESS IN POLAND ON THE EUROPEAN UNION’S COMPETITION BACKGROUND IN YEARS 2002–2007”. Acta Scientiarum Polonorum. Oeconomia 7 (3), 33-40. https://js.wne.sggw.pl/index.php/aspe/article/view/3785.