Chennippan, Kuppusamy, Vasugi Chellamuthu, Abirami Dhandapani, and Murugan Kadarkarai. “Synergistic Activity of Andrographis Paniculata Nees With Bacilus Thuringiensis Var Israelensis Against Malarial Vector, Anopheles Stephensi Liston (Diptera: Culicidae)”. Journal of the Entomological Research Society 13, no. 3 (December 5, 2011): 71-86. Accessed June 26, 2019. http://www.entomol.org/journal/index.php/JERS/article/view/335.