David <br/><br/>
Trap tales outsmarting 7the Hidden obstacles to success 
David M.R.Covey 
 - New york  John wiley and sons inc   2017 
 - 201 
<br/><br/><label>ISBN: </label>9781119365891 
<br/><br/><label>Dewey Class. No.: </label>158  / DAV