Carvalho, Laura, and David Kupfer. “Diversification or Specialization: An Analysis of the Process of Structure Change of the Brazilian Industry”. Brazilian Journal of Political Economy 31, no. 4 (October 1, 2011): 618-637. Accessed May 5, 2024. https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/424.