ROHILLA, H R, HARVIR SINGH, and D SINGH. “Occurrence and Prevalence of Colour Morphs of Aphid on Rapeseed-Mustard (Brassica) Crops”. The Indian Journal of Agricultural Sciences 69, no. 6 (January 28, 2013). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/26832.