Encyclopedia of survey research methods / 
editor, Paul J. Lavrakas 
 - Los Angeles :  SAGE Publications,  2008 
 - 2 v. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>9781412918084 (set)  RM1232.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social surveys--Research--Encyclopedias