Suryaningsih, W., S. N. Iftitah, and A. S. Perdana. “The Frequency and Concentration of Liquid Organic Fertilizer on the Growth of Wheat Varieties Dewata 162”. Gontor Agrotech Science Journal, vol. 9, no. 2, Oct. 2023, pp. 96-101, doi:10.21111/agrotech.v9i2.9329.