Machado, L.R., Ferrarez, A.H. , Lugon Junior, J. e Alves, F.C. 2022. Biogas production and composition optimization in an anaerobic digestor using cheese whey and swine manure as substrate. Acta Scientiarum. Technology. 44, 1 (jul. 2022), e56923. DOI:https://doi.org/10.4025/actascitechnol.v44i1.56923.