@book{37841,
	author = {Royse, David D.},
	title = {Needs assessment},
	publisher = {Oxford University Press,},
	year = {2009.},
	series = {Pocket guides to social work research methods},
	address = {New York ;},
	url = {http://dx.doi.org/10.1093/acprof:royes/9780195368789.001.0001}
}