SILVA, L. A. S. da. Quantitative equations and their analytical reach. Brazilian Journal of Political Economy, [S. l.], v. 7, n. 4, p. 488-509, 1987. DOI: 10.1590/0101-31571987-4031. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1665. Acesso em: 20 apr. 2024.