Syamsuri, Yustia Wulandari Mirzayanti, and Sigit Setiawan. 2021. “Pengaruh Konsentrasi NaOH, Urea, Dan Rumen Terhadap Performa Generator Berbahan Bakar Biogas”. Journal of Research and Technology 7 (1):71-82. https://doi.org/10.55732/jrt.v7i1.430.