Janakiraman, M., and K. Jeyaprakash. “Screening of Phytochemical and in Vitro Antioxidant Efficacy of Vitex Negundo L. Leaf Extract”. International Journal of Emerging Trends in Science and Technology, Vol. 2, no. 04, Apr. 2015, http://igmpublication.org/ijetst.in/index.php/ijetst/article/view/636.