Muktamar, Z., Fahrurrozi, F., Sudjatmiko, S., Chozin, M., & Setyowati, N. (2020). Quality of Enriched Liquid Organic Fertilizer from Dairy Cattle Wastes on Closed Agriculture System. International Journal on Advanced Science, Engineering and Information Technology, 10(4), 1682–1687. https://doi.org/10.18517/ijaseit.10.4.5068