Backstrom Charles H <br/><br/>
Survey research 
Backstrom Charles H; Hurshcesar Gerald 
 - 2nd 
 - New York  John Wiley and sons     1981 
 - xxvii,436p.  cm. 
<br/><br/><label>Standard No.: </label>137,605 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y:u, M1