Covey , Sean  <br/><br/>
The 7 Habits of Highly Effective Teenagers 

 - London :  Simon ,  2014 . 
 - xvii , 270 p . ;   20 cm  
<br/><br/><label>ISBN: </label>9781471136870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Self and Motivational 
<br/><br/><label>Dewey Class. No.: </label>650.1  / COV