Worcester Robert M <br/><br/>
Consumer market research handbook 
Worcester Robert M; Downham John Ed. 
 - London  McGraw Hill           1986 
 - ix,840p.  cm. 
 - European Society for Opinion and Marketing Research Publication .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:51b4, L2;M6/TD3