Engel James F <br/><br/>
Promotional strategy 
Engel James F; Wales Hugh G 
 -  1975 
<br/><br/><label>Standard No.: </label>2858 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:5148, L5