Welch Susan, Ed. <br/><br/>
Public Opinion:Its Information,Measurement And Impact 

 - California:  Mayfield Publishing Co,   1975 
 - 541 p.  HB 
<br/><br/> General 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Measurement And Impact-- Public Opinion:Its Information 
<br/><br/><label>Universal Decimal Class. No.: </label>301.5  / WEL-P