@book{81139,
	author = {Aitken, William. and O'Connor, Darren. and ebrary, Inc.},
	title = {Planning and controlling projects},
	publisher = {Scitech,},
	year = {2000.},
	series = {Universal manager},
	address = {Kent, C.T. :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10040397}
}