M. SHARMA and G. SINGH, “Development of Helicoverpa armigera on different hybrids of sunflower (Helianthus annuus)”, Indian J Agri Sci, vol. 71, no. 8, Apr. 2014, Accessed: Jun. 25, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/40202