BAISHYA, L K, et al. “Productivity, Profitability and Energy Budgeting of Maize (Zea Mays) Greengram (Vigna Radiata) Intercropping System under Rainfed Conditions of Eastern Himalayan Region”. The Indian Journal of Agricultural Sciences, vol. 84, no. 9, Sept. 2014, pp. 1073–7, https://doi.org/10.56093/ijas.v84i9.43443.