Rubin, Allen <br/><br/>
Research methods for social work / 
Allen Rubin, Earl R. Babbie 
 - 8th ed. 
 - Belmont, CA :  Brooks/Cole Cengage Learning,  c2014 
 - xix, 699 p. :  ill. (some col.) ;  26 cm. 
 - Empowerment series .
<br/><br/>Includes bibliographical references (pages 674-686) and index 
<br/><br/><label>ISBN: </label>9781285173467 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service--Research--Methodology