Sarwar, M., N. Ahmad, G. Z. Khan, and M. Tofique. “VARIETALS RESISTANCE AND SUSCEPTIBILITY IN MUSTARD (BRASSICA CAMPESTRIS L.) GENOTYPES AGAINST APHID MYZUS PERSICAE (SULZER) (HOMOPTERA: APHIDIDAE)”. The Nucleus, vol. 46, no. 4, June 2020, pp. 507-12, http://thenucleuspak.org.pk/index.php/Nucleus/article/view/928.