Economic feasibility in the build and implantation of biodigester and deep pit in pig production. Pubvet, [S. l.], v. 13, n. 12, 2020. DOI: 10.31533/pubvet.v13n12a470.1-16. Disponível em: https://ojs.pubvet.com.br/index.php/revista/article/view/713.. Acesso em: 20 may. 2024.