Do-It-Yourself marketing research/  English. 
George Edward Breen. 
 - New York:  McGraw-Hill Book Company,   1977. 
 - x,258p.:  ill;  24cm. 
<br/><br/><label>ISBN: </label>0070074453 
<br/><br/><label>Dewey Class. No.: </label>658.8.012.1  / BRE