@book{173365,
	author = {Clarke, Alan, and ebrary, Inc.},
	title = {Designing computer-based learning materials},
	publisher = {Gower,},
	year = {c2001.},
	address = {ALdershot, Hampshire, England ;},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10046814}
}