Quayum, MA, Amin Muhammad Ali, and MA Salam. “Impact of Power Tillers on Profitability of Some Cropping Patterns in Some Selected Areas of Bangladesh”. Bangladesh Journal of Agricultural Research 37, no. 3 (October 7, 2012): 415–432. Accessed November 22, 2024. https://banglajol.info/index.php/BJAR/article/view/12085.