Gray, Mel, <br/><br/>
Social Work Theories and Methods : 

 -  SAGE Publications Limited,  2008. 
<br/><br/><label>ISBN: </label>9781412947411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Science.
<br/><br/><label>Dewey Class. No.: </label>361.301  / GRA