Gontijo, Cláudio. “The Agricultural Revolution in Brazil: The Singularity of the Development of Capitalism in Brazilian Agriculture, 1850-1930”. Brazilian Journal of Political Economy 8, no. 2 (April 1, 1998): 253-269. Accessed May 3, 2024. https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1094.