Upendhar, S., K. Vani Sree, J. Satyanarayana, and T. V. K. Singh. “Cypermethrin and Methomyl Resistance in Helicoverpa Armigera (Hubner)”. International Journal of Economic Plants 4, no. May, 2 (May 28, 2017): 070–075. Accessed September 11, 2025. https://ojs.pphouse.org/index.php/IJEP/article/view/4502.