Klees, S.J. <br/><br/>
Learning from our mistakes: what do the debates of the recent past imply for future directions in educational planning policy / 
S.J. Klees. 
 - Florida :  Paris :  University;  UNESCO,  1990. 
 - 10 p. 
 - ED.90/CPA.401/DP.3/19 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014.5 (73) =20 KLE.