Papadopoulos, George S <br/><br/>
Education 1960-1990: The OECD perspective / 
George S. Papadopoulos. 
 - Paris: OECD, 1994.  OECD,  1994. 
 - 203 p. 
 - OECD Historical Series .
<br/><br/><label>ISBN: </label>9264141901 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37 (091) (100) =20 "1994" PAP.