bppt, Yusmiati, and Bambang Singgih. 2018. “Utilization of Residu / Ampas Biogas Production from Bio-Slurry As Organic Fertilizer Resources”. Inovasi Pembangunan : Jurnal Kelitbangan 6 (02):139-48. https://doi.org/10.35450/jip.v6i02.92.