Babbie, Earl <br/><br/>
Research Methods in Sociology 

 - New Delhi  Cengage Learning India Pvt Ltd.  2009 
 - 446 p. 
<br/><br/><label>ISBN: </label>8131509109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>F 1670