Mehedi, S. M. ., F. Yeasmin, M. E. . Haque, and M. R. . Islam. “Yield Gap of Major Crops in Sadar Upazila of Mymensingh District”. Asian-Australasian Journal of Bioscience and Biotechnology, vol. 3, no. 3, Dec. 2018, pp. 174-81, doi:10.3329/aajbb.v3i3.64821.