Anggita Sari Praharasti et al. 2023. Utilization of Biogas Effluent For Solid Organic Fertilizer Production In Gunungkidul Regency. Jurnal Penelitian Pertanian Terapan. 23, 2 (Jun. 2023), 167–174. DOI:https://doi.org/10.25181/jppt.v23i2.2291.