@book{43056,
	title = {Studies on the acute toxicity of chlorocid 20 Ec to Tubifex SP. Lamarck, 1816 / },
	publisher = {University of Dhaka, },
	year = {2006.},
	address = {Dhaka : },
	note = {Thesis ( M. S. ) -- Department of Zoology, University of Dhaka, Session : 2002-2003
}
}