Pramanik, J., A. S. H. Chowdhury, and F. J. Uddin. “Effect of Biofertilizer and Weeding on the Growth Characters and Seed Yield of Summer Mungbean”. Journal of Environmental Science and Natural Resources, vol. 7, no. 1, Feb. 2015, pp. 87-92, doi:10.3329/jesnr.v7i1.22150.