Belson William A <br/><br/>
Validity in survey research   with special reference    

 - Hants  Survey Research           1986 
 - xvi, 565p  cm. 
<br/><br/> Bibliography: P544-552 
<br/><br/><label>ISBN: </label>0566005107 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing
<br/><br/><label>Dewey Class. No.: </label>X:511.3.N8, M6