DUCKWORTH, A. <br/><br/>
Grit: The Power of Passion and Perseverance. 

 - New York,   Scribner,  2016. 
 - xv, 333p.: graph  Index  23cm. 
<br/><br/><label>ISBN: </label>978-1-5011-4416-5 
<br/><br/><label>Dewey Class. No.: </label>158.1 DUC