Szumiec, Anna. “RELATIONSHIP BETWEEN PURCHASE PRICES OF LIVE CATTLE AND RETAIL PRICES OF BEEF PRODUCTS AND CUTS IN POLAND AND SOME EU COUNTRIES DURING 2004-2007”. Journal of Agribusiness and Rural Development 12, no. 2 (December 31, 2009): 241-248. Accessed May 6, 2024. http://www1.up.poznan.pl/jard/index.php/jard/article/view/815.