Power, Sally <br/><br/>
Researching the impact of education policy : difficulties and discontinuities 

 - 493-500 
 - 7, No. 5, 1992 
<br/><br/>Mayo 1993 
 = JOURNAL OF EDUCATION POLICY 
<br/><br/><label>Encabezamiento--Término de Indización: </label>CAMBIO EDUCATIVO POLITICA EDUCATIVA SISTEMA DE EMPRESA LIBRE SOCIOLOGIA EDUCATIVA