Parveen, Shahina, et al. “GAS CHROMATOGRAPHY-MASS SPECTROMETRY ANALYSIS OF METHANOLIC LEAF EXTRACT OF CASSIA ANGUSTIFOLIA VAHL”. Asian Journal of Pharmaceutical and Clinical Research, vol. 9, no. 9, Dec. 2016, pp. 111-6, doi:10.22159/ajpcr.2016.v9s3.14512.