Hasan, M., Miah, M.M., Islam, M., Alam, Q. and Hossain, M. 2008. Change and instability in area and production of wheat and maize in Bangladesh. Bangladesh Journal of Agricultural Research. 33, 3 (Nov. 2008), 409–417. DOI:https://doi.org/10.3329/bjar.v33i3.1600.