Blankertz, Donald Frederic. <br/><br/>
Cases and problems in marketing research 
by Donald F. Blankertz, Robert Ferber [and] Hugh G. Wales. 
 - New York  Ronald Press Co.  [1954] 
 - 339 p.  illus.  21 cm. 
<br/><br/><label>LCCN: </label>54007643  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research
<br/><br/><label>LC Class. No.: </label>HF5415  / .B458 
<br/><br/><label>Dewey Class. No.: </label>*658.83 658.8072