Novita, E., Pradana, H. A., Wahyuningsih, S., Mahraenanto, B., sujarwo, M. W., & Hafidz, M. salman A. (2019). ANAEROBIC DIGESTER VARIATION FOR BIOGAS PRODUCTION ON COFFEE WASTEWATER TREATMENT. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 8(3), 164–174. https://doi.org/10.23960/jtep-l.v8i3.164-174