Durairaj, C, and M S Venugopal. “Combined Effect of Margosa Oil and Diflubenzuron on Tobacco Caterpillar (Spodoptera Litura) and Gram Podborer (Helicoverpa Armigera)”. The Indian Journal of Agricultural Sciences, vol. 65, no. 4, May 2012, https://epubs.icar.org.in/index.php/IJAgS/article/view/18246.