@book{86172,
	author = {Kettley, Nigel C. and ebrary, Inc.},
	title = {Theory building in educational research},
	publisher = {Continuum International Pub. Group,},
	year = {c2010.},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10415875}
}