Van, H.T.K. et al. 2018. Chemical composition and cytotoxic activity of the essential oils of Cymbopogon citratus L. Grown in phu tho province. Vietnam Journal of Biotechnology. 14, 4 (Apr. 2018), 683–687. DOI:https://doi.org/10.15625/1811-4989/14/4/12301.