Orłowska, Maria. “THE INCOME SITUATION OF FARMS WITH DIFFERENT DIRECTIONS OF PRODUCTION”. Acta Scientiarum Polonorum. Oeconomia 9, no. 2 (June 30, 2010): 121-139. Accessed April 3, 2025. https://js.wne.sggw.pl/index.php/aspe/article/view/3891.