@book{42106,
	title = {Breeding ecology of pond heron (Ardeola grayii) and its conservation aspects / },
	publisher = {University of Dhaka,},
	year = {2010.},
	address = {Dhaka : },
	note = {Thesis (MS )—Department of Zoology, University of Dhaka, Session : 2007-2008.

}
}