Encyclopedia of educational research / 
a project of the American Educational Research Association ; Robert L. Ebel, Victor H. Noll, Roger M. Bauer. 
 - 4th ed. 
 - [New York]:   Macmillan,   1969.  
 - xliv, 1522 p. ;  28 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Dictionaries<br/>Education--Research--Dictionaries
<br/><br/><label>Dewey Class. No.: </label>370.3