astuti, sri puji and kurnianingsih, rina 2019. Training Compost from Environmentally Friendly Rice Husk Ash Waste in Puyung Village. Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA. 3, 1 (Apr. 2019), 16–21. DOI:https://doi.org/10.21831/jpmmp.v3i1.21542.