KAR, GOURANGA, et al. “Enhancing Rainwater-Use Efficiency and Stabilizing Productivity of Rainfed Upland through Rice (Oryza Sativa)-Based Intercropping”. The Indian Journal of Agricultural Sciences, vol. 76, no. 1, Jan. 2011, https://epubs.icar.org.in/index.php/IJAgS/article/view/2553.