DUBEY, R P, et al. “System Productivity, Energetics and Economics of Soybean (Glycine Max)-Wheat (Triticum Aestivum) Cropping System As Influenced by Weed Management Practices”. The Indian Journal of Agricultural Sciences, vol. 92, no. 8, Mar. 2022, pp. 962-5, https://doi.org/10.56093/ijas.v92i8.97969.