New educational technologies /  
edited by Francois Caillods ; with contributions by Xavier Greffe and Haruo Nishinosono. 
 - UNESCO :    Paris,    1989. 
 - xix, 125 p. :    ill. ;    22 cm. 
 - XXVth Anniversary Workshop Booklet ;    no. 4 .
<br/><br/>Includes bibliographical references: p. 125 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Educational innovations -- Congresses.