@book{36927,
	author = {Ahmad, Qazi Kholiquzzaman,},
	title = {Ganges-Brahmaputra-Meghna region :},
	publisher = {University Press Ltd.,},
	year = {2001.},
	address = {Dhaka :},
	url = {http://www.loc.gov/catdir/toc/fy022/2001416392.html}
}