VERMA, S K, et al. “Assessment of Genotype X Environment Interactions for Diverse Set of Cotton (Gossypirimnrboreltftl) of Various Eco-Geograplhic Regions Evaluated under North Indian Condlitions*”. The Indian Journal of Agricultural Sciences, vol. 77, no. 4, Jan. 2011, https://epubs.icar.org.in/index.php/IJAgS/article/view/3384.