P M, I., S. S, and M. R. “In-Vitro Anti-Oxidant Property of Vallarai (Centella Asiatica) Cultivated by Conventional and Traditional Methods”. International Journal of Ayurvedic Medicine, vol. 12, no. 3, Sept. 2021, pp. 518-22, doi:10.47552/ijam.v12i3.2133.