Churchill, Stacy <br/><br/>
The Peruvian model of innovation :  the reform of basic education / 

 - París :  Ginebra :  UNESCO ;  OE,  1976. 
 - 55 p. :  fots. 
 - Experiments and innovations in education ;  22 .
<br/><br/><label>ISBN: </label>9231013858 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014.3 (85) =20 CHU.