Adams, Raymond S <br/><br/>
The Process of educational innovation :  An international perspective / 
Raymond S. Adams; David Chen. 
 - Paris :  London :  UNESCO;  Kogan Page Ltd.,  1981. 
 - 284 p. 
<br/><br/><label>ISBN: </label>0850385113 (Kogan Page Ltd.) 9280310968 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.013.75 (100) =20 "1981" ADA.