Innovations in science and technology education / 
Edited by David Layton 
 - Belgium :  UNESCO,  1988 
 - V. :  ill. ;  24 cm. 
<br/><br/>Vol.-1 --- 
<br/><br/><label>ISBN: </label>9231025309 (vol 2) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science --Study and teaching.<br/>Technical education<br/>Educational innovations
<br/><br/><label>Dewey Class. No.: </label>507  / INN 1988