Shiney ramya, B. “Phytochemical Analysis and Comparative Effect of Cinnamomum Zeylanicum Piper Nigrum and Pimpinella Anisum With Selected Antibiotics and Its Antibacterial Activity Against Enterobacteriaceae Family”. International Journal of Pharmaceutical & Biological Archive, vol. 3, no. 4, Sept. 2012, http://www.ijpba.info/index.php/ijpba/article/view/763.