Covey, Stephen R. <br/><br/>
7 Habits of highly effective people  restoring the character ethic 

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 - London  Simon & Schuster UK Ltd.  1989 
 - 358 p. 
 -   .
<br/><br/><label>ISBN: </label>0743408853 
<br/><br/><label>Dewey Class. No.: </label>158  / C838