Blalock Hubert M Ed. <br/><br/>
Methodology in social research 
Blalock Hubert M Ed.; Blalock Ann B Ed. 
 - New York  McGraw-Hill USA          1968 
 - 493p.  cm. 
 - McGraw-Hill series in sociology .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Science
<br/><br/><label>Dewey Class. No.: </label>Sigma b4, K8-K8;1