“Potensi Pemberian EM4 Terhadap Pertumbuhan Dan Hasil Tanaman Kubis Bunga (Brassica Olerocea Var Bortytis L.)”, Agriflora, vol. 4, no. 2, pp. 114–119, Nov. 2020, doi: 10.30601/unayaded.v4i2.1422.