Encyclopedia of educational research 

 - 5th Edition 
 - New York  Free Press  1982 
 - 4V ; V.4-2126p. ; V.3-1587p. 
<br/><br/><label>ISBN: </label> USD 395.00, (Set of 4 vol.) 
<br/><br/><label>Source: </label> USD 395.00, (Set of 4 vol.) 
<br/><br/><label>Dewey Class. No.: </label>370.78073 ENC