A.ELAYARAJA, M.VIJAYALAKSHMI, and G.DEVALARAO. 2010. “In Vitro Free Radical Scavenging Activity Of Various Root And Rhizome Extracts Of Acorus Calamus Linn”. International Journal of Pharma and Bio Sciences 1 (4):301-4. https://ijpbs.net/index.php/journal/article/view/369.