Innovations in science and technology education 
edited by David Layton 
 - Paris  Unesco  1999 
 -  Vol. 3 
<br/><br/> Includes bibloigraphy 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>92-3-102664-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>507  / INN