Mota dos Santos, Alex, Cristiano Farias Almeida, Daniel de Oliveira Soares, and Carlos Fabricio Assunção da Silva. “Identification of Development Poles on Brazilian Amazon Region and Analysis of the Geographic Accessibility”. Amazonia Investiga 9, no. 34 (November 23, 2020): 85–101. Accessed July 3, 2024. https://amazoniainvestiga.info/index.php/amazonia/article/view/1498.