Carmines, Edward G  <br/><br/>
Reliability and validity assessment / 
by Edward G Carmines and Richard A Zeller 
 - New Delhi :  Sage Publications,   1979. 
 - 70p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Socialism
<br/><br/><label>Dewey Class. No.: </label>300.18  / CAR.R