DINESH KUMAR SINGH et al. 2001. Diversification of rice (Oryza sativa)wheat (Triticum aestivum) system and its influence on productivity, profitability and energetics under on-farm situation. Indian Journal of Agronomy. 62, 3 (Oct. 2001), 255–259. DOI:https://doi.org/10.59797/ija.v62i3.4129.