M. Khatiwada, N. Chaudhary, S. Sah, and J. Dutta, “Effects of Sowing Dates on Grain Yield and Oil Content of rapeseed (Brassicacampestris var L. toria) Varieties in Middle Terai Region, Nawalparasi, Nepal”, J. Agric. & Environ., vol. 22, pp. 61–70, Jun. 2021.