Smart, Geoff <br/><br/>
Power score /  your formula for leadership success 
Geoff Smart 
 - New York  Ballantine Books  2015 
 - 170 p.  21 cm. 
<br/><br/><label>ISBN: </label>978-0345547354 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership<br/>Industrial psychology<br/>Success in business