Sjoberg, Gideon and Nett,Roger <br/><br/>
Methodology for social research 

 - New York  Harper and Row  1968 
 - x,355p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yb4
<br/><br/><label>Dewey Class. No.: </label>Yb4  / J8