KUMAR, AJAY, et al. “Effect of Micro-Irrigation on Water Productivity in System of Rice (Oryza Sativa) and Wheat (Triticum Aestivum) Intensification”. The Indian Journal of Agricultural Sciences, vol. 85, no. 10, Oct. 2015, pp. 1342-8, https://doi.org/10.56093/ijas.v85i10.52300.