OPTIMIZATION OF BIOGAS PRODUCTION FROM CO-DIGESTION OF WASTE ACTIVATED SLUDGE AND MODIFIED TAPIOCA STARCH SLUDGE . International Journal of Geomate, [S. l.], v. 18, n. 67, p. 148–155, 2020. Disponível em: https://geomatejournal.com/geomate/article/view/505. Acesso em: 13 oct. 2026.