A. A. Tarigan, H. J. . Perangin-angin, S. . Afrianti, Y. S. . Sulastri, M. A. . Sihaloho, and B. Pratomo, “Analysis Of Biomass Of Mucuna Bracteata DC Due To The Provision Of Coffee Skin Waste As An Alternative Fertilizer”, j. agroprimatech, vol. 9, no. 1, pp. 18–29, Apr. 2025.