GUIMARÃES ARAGON, Helder; PEREIRA ALVES, Vilmar; FLORENCE DA SILVA, Rodrigo. Implementation of free and open-source geotechnologies in a sanitation company. Seven Editora, [S. l.], 2023. Disponível em: https://sevenpubl.com.br/editora/article/view/2013. Acesso em: 21 aug. 2025.