@book{42213,
	title = {The Impact of cage culture and loading of nigrogen and phosphorous in closed water ecosystem in Rajshahi /},
	publisher = {University of Dhaka, },
	year = {2006.},
	address = {Dhaka :},
	note = {Thesis (MS )--Department of Zoology, University of Dhaka, Session : 2001-2002.}
}