Backstrom, Charles H <br/><br/>
Survey research 

 - Evanston  Northwestern University Press  1969 
 - xix, 192p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>POLITICS<br/>POLITICAL SURVEY--RESEARCH
<br/><br/><label>LC Class. No.: </label>JA 82 Bac