ŻELAZNY, J. Changes on Commodity Markets and Regulation in the European Union. Ekonomia Międzynarodowa (International Economics), [S. l.], n. 15, p. 199–210, 2016. DOI: 10.18778/2082-4440.15.02. Disponível em: https://czasopisma.uni.lodz.pl/em/article/view/1284. Acesso em: 18 may. 2024.