RUIZ, J. E. S. Privatization of highways in Brazil: comment on the financial viability. Brazilian Journal of Political Economy, [S. l.], v. 13, n. 3, p. 374-387, 1993. DOI: 10.1590/0101-31571993-0653. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1333. Acesso em: 6 may. 2024.