Babbie, Earl. <br/><br/>
The practice of social research / 
By Earl Babbie. 
 - 12th ed. 
 - Austraila :  Wodsworth,  2012. 
 - 136p. ;  00 cm. 
<br/><br/><label>ISBN: </label>9780495598411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCE.
<br/><br/><label>Dewey Class. No.: </label>300.72  / BAB