Andrade, W.R., T.M.B. Santos, L.D.O. Arruda, E.M. Rosa, and N. Cappi. 2018. “BIOGAS PRODUCTION FROM DAIRY CATTLE MANURE SUBJECTED TO CHEMICAL PRE-TREATMENT”. Revista Brasileira De Engenharia De Biossistemas 12 (1). Tup:91-100. https://doi.org/10.18011/bioeng2018v12n1p91-100.