Begum, A., M. Mian, J. Rahman, M. Khanum, M. Ali, and R. Saha. “Estimation of Temperature Co-Efficient of Wheat for Adjusting Proper Sowing Time”. Bangladesh Agronomy Journal, vol. 23, no. 2, Mar. 2021, pp. 69-80, doi:10.3329/baj.v23i2.52454.