JAWORSKI, S. Comparison of the beef prices in selected countries of the European Union. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 13, n. 2, p. 31–39, 2012. Disponível em: https://qme.sggw.edu.pl/article/view/3533. Acesso em: 21 lis. 2024.