Chenniappan, Kuppusamy, and Kadarkarai Murugan. 2010. “Toxic and Synergistic Action of α-Amyrin Acetate With Bacillus Thurigiensis Berliner Aganist the Diamonback Moth, Plutella Xylostella Linn. (Lepidoptera: Plutellidae)”. Journal of the Entomological Research Society 12 (3), 15-27. http://www.entomol.org/journal/index.php/JERS/article/view/224.