Kashem, MA, MAM Miah, MA Islam, and PC Roy. “Factors Responsible for Yield Gap of Wheat at Farmers’ Field in Two Districts of Bangladesh”. Progressive Agriculture 23, no. 1-2 (October 18, 2013): 91–99. Accessed February 4, 2026. https://www.banglajol.info/index.php/PA/article/view/16620.