Social work research and evaluation :  foundations of evidence-based practice / 
edited by Richard M. Grinnell, Jr., and Yvonne A. Unrau 
 - 8th ed. 
 - Oxford ;  New York :  Oxford University Press,  2008 
 - xxii, 610 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographical references (p. 561-578) and index 
<br/><br/><label>ISBN: </label>9780195301526 0195301528 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service--Research<br/>Evaluation research (Social action programs)<br/>Evidence-based social work