Rubin, Allen. <br/><br/>
Methodology for social work research / 
[by]Allen Rubin Earl Babbie  
 - Australia :  Cengane,  2011. 
 - 522p.  24cm. 
<br/><br/> Includes index  
<br/><br/> Social work  
<br/><br/><label>ISBN: </label>9788131513828 
<br/><br/><label>Dewey Class. No.: </label>361.305  / RUB