Upendhar, S. (2017) “Cypermethrin and Methomyl Resistance in Helicoverpa armigera (Hubner)”, International Journal of Economic Plants, 4(May, 2), pp. 070–075. Available at: https://ojs.pphouse.org/index.php/IJEP/article/view/4502 (Accessed: 11 September 2025).