KOHUT, O. Analysis of the degree of monopolization world oil market. Skhid, [S. l.], n. 2(122), p. 34–37, 2013. DOI: 10.21847/1728-9343.2013.2(122).13454. Disponível em: https://skhid.kubg.edu.ua/article/view/13454. Acesso em: 26 apr. 2024.