H. Aditia, F. Ibnusina, Silfia, and I. Ramanis, “Response of Pakchoy (Brassica rapa L.) to the Combination of Liquid Organic Fertilizer from Kepok Banana Peel and NPK in Organosol Soil”, JERAMI Indonesian J. Crop Sci., vol. 8, no. 3, pp. 135–141, Apr. 2026.