Gelb, Gabriel M. Gelb, Betsy D. <br/><br/>
Insights for marketing management. 

 - 2nd Ed. 
 - Santa Monica, Calif :  Goodyear Pub. Co,   1977. 
 - viii, 303 p. 
<br/><br/><label>ISBN: </label>0876204744 
<br/><br/><label>Dewey Class. No.: </label>658.8  / GEL