Koch Richard <br/><br/>
The 80/20 Principle  The secret of achieving more with less 

 - Boston  Nicholas Brealey Publishing  2017 
 - 413p. 
<br/><br/><label>ISBN: </label>9781473656871 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERAL
<br/><br/><label>Dewey Class. No.: </label>650.1