Prochorowicz, Jacek, and Robert Rusielik. “RELATIVE EFFICIENCY OF OILSEED CROPS PRODUCTION IN THE SELECTED FARMS IN EUROPE AND THE WORLD IN 2005”. Acta Scientiarum Polonorum. Oeconomia 6, no. 4 (December 30, 2007): 57–62. Accessed November 21, 2024. https://aspe.sggw.edu.pl/article/view/865.