Neres LM, Ramos HR, Régis M de M. Biodigester models used worldwide in the context of intelligent cities. RNGC [Internet]. 2021 Mar. 21 [cited 2026 Jan. 27];9(69). Available from: https://publicacoes.amigosdanatureza.org.br/index.php/gerenciamento_de_cidades/article/view/2802