K.K. AGRAWAL, A. P. UPADHYAY, K. K. METANGE, and UPENDRA SHANKER. “Phenological Development and Thermal Time in Pulses and Oilseed Crops Grown in Summer Season”. Journal of Agrometeorology, vol. 6, no. 2, Dec. 2004, pp. 284-7, doi:10.54386/jam.v6i2.803.