Covey, Stephen R. <br/><br/>
The 7 Habits of Highly Effective People 

 - London  Simon & Schuster   2020 
 - 440p. 
<br/><br/><label>ISBN: </label>9781471195709 
<br/><br/><label>Universal Decimal Class. No.: </label>159.923.2  / COV