ROCHA VALENCIA, A. Geopolitics and geo-economics of the South American Community of Nations : Brazil the " catalyst " and MERCOSUR a "center of gravity ". Estudios Latinoamericanos, [S. l.], p. 177–202, 2006. DOI: 10.22201/cela.24484946e.2006.0.50216. Disponível em: https://revistas.unam.mx/index.php/rel/article/view/50216. Acesso em: 17 jul. 2024.