Rubin, Allen. <br/><br/>
Essential research methods for social work / 
Allen Rubin, Earl Babbie. 
 - 3rd ed. 
 - Australia ;  Belmont, CA :  Brooks/Cole Cengage Learning,  c2013. 
 - xv, 397 p. :  ill. ;  26 cm. 
 - Brooks/Cole empowerment series .
<br/><br/>Includes bibliographical references (p. 379-385) and index. 
<br/><br/><label>ISBN: </label>0840029136 9780840029133 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service--Research--Methodology.