@book{42427,
	title = {Evaluations of the effects of acute toxicity of chlorpyrifos 20EC in thai pangus, pangasius hypophthalmus fingerlings /},
	publisher = {University of Dhaka, },
	year = {2007.},
	address = {Dhaka :},
	note = {Thesis (BS )--Department of Fisheries, University of Dhaka, Session : 2002-2003.}
}