Stephan, Frederick F. <br/><br/>
Sampling opinions  : an analysis of survey procedure 
Frederick F. Stephan 
 - New York  John Wiley and Sons  1958 
 - xxi,451p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public opinion polls<br/>Sampling (statistics)
<br/><br/><label>LC Class. No.: </label>SOC HM263.S84