Ark B V Ed. <br/><br/>
Productivity, technology and economic growth 
Ark B V Ed.; Kuper G H 
 - London  London, Kluwer Academic  2000 
 - xvii,400 
<br/><br/><label>ISBN: </label>0-7923-7960-8 
<br/><br/><label>Source: </label>Textbook