Economic evaluation of the waterfall complex of Presidente Figueiredo, Amazonas, Brazil. Research, Society and Development, [S. l.], v. 10, n. 9, p. e5210917674, 2021. DOI: 10.33448/rsd-v10i9.17674. Disponível em: https://rsdjournal.org/rsd/article/view/17674. Acesso em: 5 dec. 2025.