Nelson Sanjad https://www.cepese.pt/portal%26quot%26quot%26quot%26quot%26quot%26quot/pt/publicacoes/autores/nelson-sanjad https://www.cepese.pt/portal%26quot%26quot%26quot%26quot%26quot%26quot/@@site-logo/CEPESE+home.png Nelson Sanjad Artigos As fronteiras do ultramar: engenheiros, matemáticos, naturalistas e artistas na Amazônia, 1750-1820 2007