@book{104150,
	title = {Studies on the breeding biology of the rose-ringed parakeet psittacula krameri borealis (neumann) /},
	publisher = {University of Dhaka, },
	year = {1973.},
	address = {Dhaka :},
	note = {Thesis (MS )--Department of Zoology, University of Dhaka, Session : 1973.}
}