CHENNIAPPAN, K. and KADARKARAI, M. 2008. Synergistic Activity of Andrographis paniculata Nees Extracts Againstthe Larvae of the Malarial Vector Anopheles stephensi Liston(Diptera: Culicidae). Journal of the Entomological Research Society. 10, 2 (Jul. 2008), 13–22.