@book{42400,
	title = {Arsenic pollution in and around urea fertilizer factory limited, Ghorasal /},
	publisher = {University of Dhaka, },
	year = {1991.},
	address = {Dhaka :},
	note = {Thesis (MS )--Department Applied Chemistry and Chemical Technology, University of Dhaka, Session : 1986-1987.}
}