Kamruzzaman, M, and Mohammad Hedayetul Islam. “Technical Efficiency of Wheat Growers in Some Selected Sites of Dinajpur District of Bangladesh”. Bangladesh Journal of Agricultural Research 33, no. 3 (November 11, 2008): 363–373. Accessed October 6, 2024. https://banglajol.info/index.php/BJAR/article/view/1595.