CUNHA, M. S. da; HOFFMANN, R. Labor Values and Production Prices in a Sraffian Economic System with Extensive Income. Brazilian Journal of Political Economy, [S. l.], v. 20, n. 2, p. 312-334, 2000. DOI: 10.1590/0101-31572000-1094. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1029. Acesso em: 26 apr. 2024.