Koch, Richard <br/><br/>
The 80/20 Manager/  English 
Richard Koch 
 - Piatkus:  London,  2015. 
 - xx.268p.:  21cm. 
<br/><br/><label>ISBN: </label>9780749959265 
<br/><br/><label>Dewey Class. No.: </label>658.4092  / KOC