SINGH, R.K. et al. 2018. Productivity and profitability of soybean (Glycine max) and wheat (Triticum aestivum) genotypes grown in sequence under system of crop intensification. The Indian Journal of Agricultural Sciences. 88, 9 (Sep. 2018), 1407–1412. DOI:https://doi.org/10.56093/ijas.v88i9.83500.