Raj, Hans. <br/><br/>
Theory and practice in social research / 
by Hans Raj. 
 - 2nd ed. 
 - New Delhi :  Surjeet Pub.,  1981. 
 - xi, 404 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Research.
<br/><br/><label>Dewey Class. No.: </label>301.072  / RAT 1981