@book{41929,
	title = {Sudies on the acute toxicity of urea and dimecron-100 scw and their mixtures to African magur clarias gariepinus (Burchell, 1822), fingerlings / },
	publisher = {University of Dhaka,},
	year = {1997.},
	address = {Dhaka : },
	note = {Thesis (MS )—Department of Zoology, University of Dhaka, Session : 1993-94.
}
}