Covey S. R. <br/><br/>
The 7 habits of highly effective people  powerful lessons in personal change 

 - London  Simon And Schuster  2013 
 - 391p. 
<br/><br/><label>ISBN: </label>9781471131820 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERAL
<br/><br/><label>Dewey Class. No.: </label>158