The Handbook of social work research methods / 
editor, Bruce Thyer. 
 - 2nd ed. 
 - Los Angeles :  Sage,  2010. 
 - xiii, 654 p. 
<br/><br/><label>ISBN: </label>1412958400 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service--Research.