Study of economic feasibility with the rainwater utilization in a metropolis of the Amazon, Brazil. Research, Society and Development, [S. l.], v. 9, n. 9, p. e865997985, 2020. DOI: 10.33448/rsd-v9i9.7985. Disponível em: https://rsdjournal.org/rsd/article/view/7985. Acesso em: 5 dec. 2025.