Koch, Richard <br/><br/>
The 80/20 Principle: The Secret to Achieving More with Less 

 - New York  Crown Business  2008 
 - 269p. 
<br/><br/><label>ISBN: </label>9780385491747 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Self Help Book (IIMS)
<br/><br/><label>Dewey Class. No.: </label>650.1  / KOC