http://portal.mec.gov.br/index.php?option=com_docman&view=download&alias=191681-edital-de-chamamento-dcns-geografia-2&category_slug=junho-2021-pdf&Itemid=30192
http://portal.mec.gov.br/index.php?option=com_docman&view=download&alias=191691-proposta-prelimninar-para-as-dcns-de-geografia-2&category_slug=junho-2021-pdf&Itemid=30192