Encyclopedia of social work 
Edited by Kenneth R. Greenhall et..al 
 - 18th ed 
 - Silver spring, Maryland USA  National Association of social workers  1987 
 - volumes 
<br/><br/><label>ISBN: </label>0871011417 
<br/><br/><label>Subjects--Topical Terms: </label>--Periodicals.
<br/><br/><label>Index Terms--Genre/Form: </label>
<br/><br/><label>LC Class. No.: </label>HV35  /  .E539 1987