BILETSKA, Iryna. THE RESEARCH OF MARKET CONCENTRATION OF FERROALLOYS PRODUCTION BRANCH. Journal of European Economy, [S. l.], v. 4, n. 1, p. 99–114, 2005. Disponível em: https://jeej.wunu.edu.ua/index.php/enjee/article/view/1074. Acesso em: 20 oct. 2024.