@book{73933,
	author = {National Research Council (U.S.). and Shavelson, Richard J. and ebrary, Inc.},
	title = {Scientific research in education},
	publisher = {National Academy Press,},
	year = {c2002.},
	address = {Washington, DC :},
	note = {"Center for Education, Division of Behavioral and Social Sciences and Education, National Research Council."},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10032376}
}