BONATTO, A. Chaos in economy (Commodities). Scientific Electronic Archives, [S. l.], v. 8, n. 2, p. 11–15, 2014. DOI: 10.36560/822015107. Disponível em: https://sea.ufr.edu.br/index.php/SEA/article/view/107. Acesso em: 27 jul. 2024.