Delens, A.H.R. <br/><br/>
Principles of market research/ 
A.H.R. Delens 
 - Bombay:  B.I. Pub.,  1964 
 - 254 p.:  ill.;  23 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label> £ 18.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research<br/>Research, Industrial<br/>Test marketing
<br/><br/><label>Dewey Class. No.: </label>658.8