Babbie, Earl R <br/><br/>
The practice of social research / 
Earl Babbie 
 - 14 th edition 
 - Singapore :  Cengage Learning Asia Pte Ltd,  2016. 
 - 566 p  ill. 
<br/><br/><label>ISBN: </label>9789814732161 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research<br/>Social Sciences--Methodology
<br/><br/><label>LC Class. No.: </label>H62  / .B112