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Sulastri, T., Simbolon, F.K., Situmeang, D. and Suwiton, M.R. 2019. Comparison of Cow Urine Bokashi, Green Bokashi and Chemical Fertilizer on Growth Of Pakcoy (Brassica Rapa L. Subsp. Chinensis) Utilizing Deep Flow Technique Hydrophonic. 11th International Scholars Conference. 7, 1 (Dec. 2019), 1895-1900. DOI:https://doi.org/10.35974/isc.v7i1.1992.