@book{116987,
	author = {Green, Jackie. and South, Jane. and ebrary, Inc.},
	title = {Evaluation},
	publisher = {Open University Press,},
	year = {2006.},
	series = {Key concepts for public health practice},
	address = {Maidenhead, Berkshire :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10197008}
}