@book{43463,
	title = {Impact of ammonia contamination on surface water treatment processes and its removal from polluted river water by aquatic macrophytes and nitrifying bacteria /},
	publisher = {University of Dhaka ,},
	year = {2009.},
	address = {Dhaka :},
	note = { Thesis (PhD)--Department of Microbiology, Universxity of Dhaka, 2005-06.}
}