@book{41633,
	title = {Abundance and seasonal variation of plankton in hamil beel in relation to some physico-chemical factors / },
	publisher = {University of Dhaka, },
	year = {2000.},
	address = {Dhaka : },
	note = {Thesis (MS)--Dept. of Zoology, University of Dhaka, 1996-1997.}
}