Methodology in social research / 
edited by Hubert M. Blalock and Ann B. Blalock. 
 - New York :  McGraw Hill,  1968 
 - 263 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Methodology.<br/>Social sciences--Research<br/>Philosophy and social sciences.
<br/><br/><label>Dewey Class. No.: </label>300.18 BLA