Syaichurrozi, I., Suhirman, S. and Hidayat, T. 2021. Effect of Substrate/Water Ratio on Biogas Production from the Mixture Substrate of Rice Straw and Salvinia molesta. Jurnal Riset Teknologi Pencegahan Pencemaran Industri. 12, 2 (Dec. 2021), 45–55. DOI:https://doi.org/10.21771/jrtppi.2021.v12.no2.p45-55.