Bethlehem,Jelke <br/><br/>
Handbook of web surveys / 
Jelke Bethlehem, Silvia Biffignandi. 
 - New Jersey :  John Wiley & Son ,  2011. 
 - xiii,465 p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780470603567 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Surveys--Methodology.<br/>Internet surveys.<br/>Surveys--Methodology--Technological innovations.
<br/><br/><label>LC Class. No.: </label>HM538  / .B48 2012