Research in education / 

 -  ERIC, 
<br/><br/> March-April 1969<br/>Jan-Feb 1971<br/>Feb-June 1972<br/>Oct-Dec 1972<br/>sep-Oct 1970<br/>Jan- Feb 1970 
<br/><br/>March-April 1969<br/>Jan-Feb 1971<br/>Feb-June 1972<br/>Oct-Dec 1972<br/>sep-Oct 1970<br/>Jan- Feb 1970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / RES.R