Thiruvengada Rajan V.S., Ellaiah P., and Madhusudhana Chetty C. 2011. “In Vitro Anti-Microbial Activity of Combined Isolates from Ethyl Acetate Extract of Cynodon Dactylon and Piper Betle”. International Journal of Research in Pharmaceutical Sciences 2 (4):653-55. https://ijrps.com/home/article/view/3380.