Blake, Robert R. . <br/><br/>
Guide posts for effective salesmanship 

 - New York  Mc. Graw-Hil  1970 
 - viii,218p. 
<br/><br/><label>ISBN: </label> USD 3.50 
<br/><br/><label>Source: </label> USD 3.50 
<br/><br/><label>Dewey Class. No.: </label>658.8 BLA