Ginnell, Richard M Yvonne A. Unrau <br/><br/>
Social Work Research and Evalution:  Foundations of Evidemce Based Practice / 
by Richard M. Grinnell and Yvonne A. Unrau 
 - 8th Ed. 
 - London:  Oxford University Press,  2008 
 - p.610 
<br/><br/><label>ISBN: </label>9780195301526 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Social sciences<br/> Social problems and social services <br/>Social problems and services<br/> Social Work
<br/><br/><label>Dewey Class. No.: </label>361.3072  / GRI-S8