Lacerda, K.C. and Situba, N. dos S. 2020. River and Air Transportation in the Legal Amazon: a study of case in the Municipality of Eirunepé - Amazonas. GEOGRAFIA (Londrina). 29, 2 (Jun. 2020), 51–67. DOI:https://doi.org/10.5433/2447-1747.2020v29n2p51.