@book{41649,
	title = {Studies on the biodiversity of fish and its production of two beels namely Raktadaha and Kakra in Bogra district /},
	publisher = {University Of Dhaka, },
	year = {2006.},
	address = {Dhaka : },
	note = {Thesis (M.S.)- Department of Zoology , University of Dhaka, 2002-2003}
}