Bettger, Frank <br/><br/>
How I Mulyiplied My Income and Happiness in Selling / 
Frank Bettger 
 - Tadworth :  Worlds Work Ltd,  1955. 
 - 315 p. :  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling<br/>Sales Personnel
<br/><br/><label>Dewey Class. No.: </label>658.8  / BET 1955