@book{33583,
	author = {National Research Council (U.S.). and ebrary, Inc.},
	title = {Assessing vocational education research and development},
	publisher = {National Academy of Sciences,},
	year = {1976.},
	address = {Washington :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10072003}
}