NASSUNO, M. Social Security Reform and Degrees of Solidarity. Brazilian Journal of Political Economy, [S. l.], v. 23, n. 2, p. 271-275, 2003. DOI: 10.1590/0101-31572004-0686. Disponível em: https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/899. Acesso em: 18 apr. 2024.