Nasalski, Zbigniew, Bogumił Rychlik, and Tadeusz Sadowski. “EFFICIENCY OF CHANGEOF PLANTS CULTIVATION FROM CONVENTIONAL TO ECOLOGICAL AGRICULTURE SYSTEM”. Acta Scientiarum Polonorum. Oeconomia 7, no. 3 (September 30, 2008): 67-79. Accessed December 23, 2024. https://js.wne.sggw.pl/index.php/aspe/article/view/3788.