Petrella Riccardo Ed. <br/><br/>
Cross-national comparative survey research    Theory and practice.      
Petrella Riccardo Ed.; Szalai Alexander Ed. 
 - Oxford  Pergamon Press        1977 
 - xviii,498p  cm. 
<br/><br/><label>Standard No.: </label>32725 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Sigma:fp1,N72, L7