@book{202406,
	author = {Gomulka, Stanislaw. and ebrary, Inc.},
	title = {The Theory of technological change and economic growth},
	publisher = {Routledge,},
	year = {1990.},
	address = {London ;},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10017229}
}