Babbie, Earl, <br/><br/>
The practice of social research 
by Earl Babbie 
 - 5th rep ed. 
 - New Delhi  Cengage Learning  2017 
 - 584p:  24cm. 
<br/><br/><label>ISBN: </label>9788131520116 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>300.72