Gumelar, A. and To, Y. (2021) “Effect of Frequency of Application of Liquid Organic Fertilizer and Biochar Dosage on Growth and Yield of Pakcoy Mustard (Brassica rappa L.)”, Savana Cendana, 6(01), pp. 4-7. doi: https://doi.org/10.32938/sc.v6i01.1227.