G. S. BUTTAR, S. K. JALOTA, A. SOOD, and B. BHUSHAN, “Yield and water productivity of Bt cotton (Gossypium hirsutum) as influenced by temperature under semi-arid conditions of north-western India: field and simulation study”, Indian J Agri Sci, vol. 82, no. 1, pp. 44–9, Jan. 2012, doi: 10.56093/ijas.v82i1.13872.