Chotkowski, Jacek. “MARKET FACTORS IN THE DEVELOPMENT OF AGRICULTURAL SEED PRODUCTION (ON THE EXAMPLE OF POTATO)”. Acta Scientiarum Polonorum. Oeconomia 7, no. 1 (March 30, 2008): 33-44. Accessed May 14, 2024. https://js.wne.sggw.pl/index.php/aspe/article/view/3762.