Fahrurrozi; Sariasih, Y.; Muktamar, Z.; Setyowati, N.; Chozin, M.; Sudjatmiko, S. Identification of Nutrient Contents in Six Potential Green Biomasses for Developing Liquid Organic Fertilizer in Closed Agricultural Production System. Int. J. Adv. Sci. Eng. Inf. Technol. 2017, 7, 559-565.