Planning the quality of education :  the collection and use of data for informed decision-making/ 
Edited by Kenneth N. Ross; Lars Mählck. 
 - Paris :  Oxford :  UNESCO;  IIEP;  Pergamon Press,  1990. 
 - 180 p. 
<br/><br/> Incluye bibliografía. 
<br/><br/><label>ISBN: </label>008041026X( Pergamon Press) 9280311395 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014.5 (100) =20 "1990" PLA.