D. Roeswitawati, “Dosage and Frequency Test of Liquid Organic Fertilizer Banana Hump to Results and Growth of Cauliflower (Brassica Oleraceae L.)”, IJET, vol. 8, no. 1.9, pp. 656–660, Jan. 2019, doi: 10.14419/ijet.v8i1.9.30083.