Syaichurrozi I, Suhirman S, Hidayat T. Effect of Substrate/Water Ratio on Biogas Production from the Mixture Substrate of Rice Straw and Salvinia molesta. j.ris.technol.pencegah. [Internet]. 2021 Dec. 10 [cited 2024 May 2];12(2):45-5. Available from: http://jrtppi.id/index.php/jrtppi/article/view/120