@book{41956,
	title = {Studies on the acute toxicity of malathion(57 EC) to nile tilapia : Oreochromis Niloticus (L.) /},
	publisher = {University of Dhaka, },
	year = {2000.},
	address = {Dhaka :},
	note = {Thesis ( MS)--Department of Zoology, University of Dhaka, 2000.}
}