COREY, E. R. <br/><br/>
Problems in Marketing 

 - 6th Ed. 
 - New York,  McGraw-Hill Book Company,  1981. 
 - xviii, 810p.: ill.; map, picture, table.  Bibliographical references.  25cm. 
<br/><br/><label>ISBN: </label>0-07-013141-4 
<br/><br/><label>Dewey Class. No.: </label>658. 8 COR