Fowler, Floyd J. <br/><br/>
Survey research methods / 
Floyd J. Fowler 
 - 4th ed. 
 -  Sage Publications  2009 
<br/><br/>18390 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social surveys
<br/><br/><label>LC Class. No.: </label>HN29  / Fow