Parkhe, Geeta, and Deepak Bharti. “Phytochemical Investigation and Determination of Total Phenols and Flavonoid Concentration in Leaves Extract of Vitex Trifolia Linn”. Journal of Drug Delivery and Therapeutics 9, no. 4-A (August 30, 2019): 705-707. Accessed November 28, 2020. http://www.jddtonline.info/index.php/jddt/article/view/3554.