@book{101703,
	title = {Effects of three oraganophosphorus insecticides to fish koi, anabas testudineus (bloch) /},
	publisher = {University of Dhaka,},
	year = {1973.},
	address = {Dhaka :},
	note = {Thesis (MS) -- Department of Zoology, University of Dhaka, 1973.}
}