@book{42557,
	title = {Ratio optimization of media ingredients for culture of tubificid worms and determination of sustainable harvest level /},
	publisher = {University of Dhaka, },
	year = {2009.},
	address = {Dhaka :},
	note = {Thesis (MS )--Department of Fisheries, University of Dhaka, Session : 2005-2006.}
}