Prameela Krishnan, Arun Kumar Jain, Ravender Singh and Ishwar Chand, S.P.K.B.U.K.C. 2018. Yield, Grain Protein Content and Input Use Efficiency in Wheat as Influenced by Irrigation and Nitrogen Levels in a Semi-arid Region. Journal of the Indian Society of Soil Science. 65, 4 (Mar. 2018).