Keshaw Ram Aadil, Anand Barapatre, Namrata Rathore, Sandhya Pottam, and Harit Jha, “Comparative study of in-vitro antioxidant and antidiabetic activity of plant extracts of Acacia arabica, Murraya koeingii, Catharanthus roseus and Rouwolfia serpentina””, ijp, vol. 4, no. 4, pp. 543–551, Dec. 2012.