Biogas Installations for Harvesting Energy and Utilization of Natural Fertilisers. Agricultural Engineering , [S. l.], v. 24, n. 1, p. 1–14, 2020. DOI: 10.1515/agriceng-2020-0001. Disponível em: https://ojs.agriceng.org/index.php/AgricEng/article/view/211.. Acesso em: 8 jan. 2025.