Sheela, A., and J. E. Thoppil. “EVALUATION OF CYTOTOXICITY OF THE AQUEOUS LEAF EXTRACT OF Pogostemon Heyneanus BENTH. (JAVA PATCHOULI)”. BIOTROPIA, vol. 24, no. 1, May 2017, pp. 28-34, doi:10.11598/btb.2017.24.1.507.