JAGJEEWAN SINGH, SOM PAL SINGH, and P K KINGRA. “Influence of Sowing Time and Planting Geometry on Yield and Radiation Use Efficiency of Various Rapeseed-Mustard Cultivars”. Journal of Agrometeorology, vol. 20, no. 3, Sept. 2018, pp. 246-8, doi:10.54386/jam.v20i3.555.