HOFFMANN, R.; KAGEYAMA, Ângela. Position in occupation, working time and income in Brazilian agriculture in 1980. Brazilian Journal of Political Economy, [S. l.], v. 6, n. 4, p. 594-606, 1986. DOI: 10.1590/0101-31571986-4078. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1821. Acesso em: 23 mar. 2025.