Encyclopedia Education 

 - New York  Gale Group, Inc.  2003 
 - 1524 pages ;  28 cm. 
<br/><br/> Includes Bibliographic reference and index. 
<br/><br/><label>ISBN: </label>0-02-865598-2 
<br/><br/><label>Dewey Class. No.: </label>R/370.3/En1/2003/V4