"Carson, M." <br/><br/>
The silent salesmen / 
M. Carson 
 - Canada:  "Jhon Wiley,"  2009 
 - 239p. 
<br/><br/><label>Subjects--Index Terms: </label>promotional productsadvertisingpublic relationssales promotion marketing 
<br/><br/><label>Dewey Class. No.: </label>658