Irwan, Irwan, et al. “Training on Processing Liquid Organic Fertilizer (POC) from Rice Washing Waste, Brown Sugar and EM4 in Siontapina Village: Pelatihan Pengolahan Pupuk Organik Cair (Poc) Dari Limbah Cucian Beras, Gula Merah Dan Em4 Di Desa Siontapina”. Room of Civil Society Development, vol. 5, no. 4, Aug. 2026, pp. 417-31, doi:10.59110/rcsd.906.