Prochorowicz, J., & Rusielik, R. (2007). RELATIVE EFFICIENCY OF OILSEED CROPS PRODUCTION IN THE SELECTED FARMS IN EUROPE AND THE WORLD IN 2005. Acta Scientiarum Polonorum. Oeconomia, 6(4), 57-62. Retrieved from https://js.wne.sggw.pl/index.php/aspe/article/view/3751