S. Gurupriya, and Dr.L. Cathrine. “Qualitative and Quantitative Phytochemical Analysis of Andrographis Echioides Leaves.: Pharmaceutical Science-Chemistry for New Drug Discovery”. International Journal of Life Science and Pharma Research, vol. 11, no. 1, July 2022, pp. 148-55, doi:10.22376/ijpbs/lpr.2021.11.1.P148-155.