P.S, Preetha., and Anjana Kartha. A.J. 2021. “Elemental Analysis of Andrographis Echioides (L.)Nees. Leaves, a Potential Pharmaceutical Plant Using Atomic Absorption Spectroscopy (AAS)”. Asian Journal of Pharmaceutical Research and Development 9 (3):43-47. https://doi.org/10.22270/ajprd.v9i3.974.