A practical guide to research and service with hidden populations / 
edited by Stephanie Tortu, Lloyd A. Goldsamt, Rahul Hamid. 
 - Boston, MA :  Allyn and Bacon,  c2002. 
 - xx, 236 pages :  illustrations. ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0205274889 
<br/><br/><label>LCCN: </label>2001022423 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marginality, Social--Research--Methodology.--United States<br/>Human services--United States.
<br/><br/><label>LC Class. No.: </label>HN 90  / P73 2002 
<br/><br/><label>Dewey Class. No.: </label>305.5/6/0723