Blalock, Hubert M ed. <br/><br/>
Methodology in social research / 
edited by Hubert M Blalock and Ann B Blalock 
 - New York :  McGraw-Hill,  1968. 
 - 493p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology
<br/><br/><label>Dewey Class. No.: </label>001.42  BLA-M