Mota dos Santos, Alex, Cristiano Farias Almeida, Daniel de Oliveira Soares, y Carlos Fabricio Assunção da Silva. «Identification of Development Poles on Brazilian Amazon Region and Analysis of the Geographic Accessibility». Amazonia Investiga 9, no. 34 (noviembre 23, 2020): 85–101. Accedido diciembre 19, 2025. https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/1498.