Richard Koch <br/><br/>
The 80/20 PRINCIPLE   The Secret to Achieving More with Less 
Richard Koch 
 - UK:  Nicholas Brealey Publishing;  1998. 
 - 220p.:  ill.;  21cm. 
<br/><br/> Self development 
<br/><br/><label>Dewey Class. No.: </label>650.1