RANJAN, RUMESH, et al. “Variation in Wheat (Triticum Aestivum) Advance Lines and Released Cultivars for Traits Associated With Nitrogen Use Efficiency under N Limiting Environment”. The Indian Journal of Agricultural Sciences, vol. 89, no. 1, Jan. 2019, pp. 99–104, https://doi.org/10.56093/ijas.v89i1.86175.