Engel, Uwe   eds. <br/><br/>
Improving survey methods  : lessons from recent research / 

 - New York:  Routledge,  2015 
 - xxii, 429p. Bibl. Index 
<br/><br/><label>ISBN: </label>9780415817622 
<br/><br/><label>Dewey Class. No.: </label>330.0182  / En57.IS