Balosa, David. “The Relationship Between Portuguese and Indigenous Languages in the Community of Portuguese Language Countries: An Existential Sociolinguistics Perspective”. Conjuntura Austral 13, no. 63 (agosto 31, 2022): 13–28. Acessado fevereiro 5, 2023. https://www.seer.ufrgs.br/index.php/ConjunturaAustral/article/view/123331.