Examining social and economic impacts of educational investment and participation in developing countries :  the educational impacts model (EIM) approach / 
Luis A. Crouch. 
 - USA :  Harvard University Institute for International Development,  1992 
 - iv, 38 p. 
 - BRIDGES research report series ;  12. .
<br/><br/> Incluye bibliografía 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>371.693. 2(-77) =20 EXA No.12