RUBIN, Allen. <br/><br/>
Research methods for social work / 
Allen Rubin and Earl R. Babbie. 
 - 7th ed. 
 - Belmont,   Brooks/Cole Cengage,  c2011. 
 - xvii, 653 p. :  ill. ; 
<br/><br/> Includes bibliographical references  and index. 
<br/><br/><label>ISBN: </label>9780495811718 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service
<br/><br/><label>Dewey Class. No.: </label>361.072