Chennippan, K.; Chellamuthu, V.; Dhandapani, A.; Kadarkarai, M. Synergistic Activity of Andrographis Paniculata Nees With Bacilus Thuringiensis Var Israelensis Against Malarial Vector, Anopheles Stephensi Liston (Diptera: Culicidae). J Entomol Res Soc 2011, 13, 71-86.