Hasan, M., M. Islam, N. Roshni, R. Akter, and M. Hossain. “Effect of Agroforest Tree Leaf Biomass on Yield and Yield Contributing Characters of Wheat Cv. Akbar”. Progressive Agriculture, vol. 30, no. 1, July 2019, pp. 32-38, doi:10.3329/pa.v30i1.42206.