@book{42006,
	title = {Breeding activities of house swift, Apus affinis (Gray, 1867) / },
	publisher = {University of Dhaka,},
	year = {2006.},
	address = {Dhaka :},
	note = {Thesis (MS )—Department of Zoology, University of Dhaka, Session : 2001-2002.


}
}