N.M.P. Susanti, I M.A.G.Wirasuta, I N. K. Widjaja, K.W. Astuti, and N.L.P.V. Paramita, “Effect of Extraction Systems of Cannabinoid From Cannabis Sp on TLCDensitometric Chromatogram Pattern”, JPSA, vol. 1, no. 1, pp. 62–71, Jun. 2012.