Ann Kovalchick, <br/><br/>
Education and technology  encyclopedia volume II: J-Z 

 -  V.II. 
 - California:  ABC CLIO inc,  2004. 
 - 713p. 
<br/><br/><label>ISBN: </label>1576077497 
<br/><br/><label>Subjects--Index Terms: </label>Schools & their activities special education 
<br/><br/><label>Dewey Class. No.: </label>371.33