NETO, R. de G. Regional exports and imbalances: a portfolio analysis. Brazilian Journal of Political Economy, [S. l.], v. 12, n. 1, p. 122-133, 1992. DOI: 10.1590/0101-31571992-0654. Disponível em: https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/1407. Acesso em: 3 dec. 2024.