Green,Paul E., <br/><br/>
Research for marketing decisions / 
Paul E.Green, Donald S.Tull. 
 - 4th edition 
 - New Jersey :  Prentice -Hall,  1966. 
 - xiii, 672 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0137741588 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research.