Bethlehem, Jelke <br/><br/>
Handbook of web surveys / 
Jelke Bethlehem, Siliva Biffignandi 
 - Hoboken, N.J. :  Wiley,  c2012 
 - xiii, 465 p. :  ill. ;  24 cm. 
 - Wiley handbooks in survey methodology .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780470603567 0470603569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveys--Methodology<br/>Internet surveys<br/>Social surveys--Methodology<br/>Social sciences--Research--Methodology<br/>Social sciences--Statistics--Methodology