Covey Stephen R <br/><br/>
The 7 Habits Of Highly Effective People Powerful Lessons In Personal Change Stephen R Covey 

 -  New York : Free Press 2004. 
 - 370 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0743269519 (Pbk. : Alk. Paper)