DEMCHENK В. Import and export potential of ash microspheres in Ukraine. INTERNATIONAL SCIENTIFIC-PRACTICAL JOURNAL COMMODITIES AND MARKETS, [S. l.], v. 22, n. 2, p. 31–38, 2016. Disponível em: https://journals.knute.edu.ua/commodities-and-markets/article/view/1155. Acesso em: 27 sep. 2024.