@book{41760,
	title = {Seasonal variation of Zooplanktons in some coastal ponds of Bakergonj, Barisal with special reference to Protoan /},
	publisher = {University of Dhaka,},
	year = {2007.},
	address = {Dhaka:},
	note = {Thesis (MS )--Department of Zoology, University of Dhaka, Session : 2003-2004}
}