OLIVEIRA, A. de; ARAUJO, M. S. de. Brazilian imports of natural gas in the context of Mercosur. Brazilian Journal of Political Economy, [S. l.], v. 15, n. 4, p. 21-37, 1995. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1254. Acesso em: 6 dec. 2022.