Koch, Richard <br/><br/>
80/20 principle :  the secret to achieving more with less 

 - 2nd ed. 
 - London:  Nicholas Brealey publishing,  2007. 
 - 288 p. 
<br/><br/><label>ISBN: </label>9781857883992 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time management
<br/><br/><label>Dewey Class. No.: </label>650.11 KOC