Patil, A.S.P., Chittarpur, B.M. and Udikeri, S.S. (2012) “Leaf δ- endotoxin content and performance of Bt cotton (Gossypium hirsutum) genotypes as influenced by fertility levels for target yields”, The Indian Journal of Agricultural Sciences, 82(7), pp. 645–8. doi:10.56093/ijas.v82i7.21698.