PEREIRA, J. M. D. Sraffa and the “laws of returns”: an analysis of the 1925-1926 articles. Brazilian Journal of Political Economy, [S. l.], v. 41, n. 4, p. 815-834, 2021. DOI: 10.1590/0101-31572021-3216. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/2266. Acesso em: 20 apr. 2024.