Encyclopedia of Educational Research 

 - 6th ed. 
 - New York  Macmillan Publishing Company  1992 
 - xxxiii, 350 pages ;  28  cm. 
<br/><br/> Includes Bibliographic reference and Index. 
<br/><br/><label>ISBN: </label>0-02-896495-0 
<br/><br/><label>Dewey Class. No.: </label>R/370.78/En2/V1