Innovations in science and technology education ; edited by David Layton. 

 - Paris:   UNESCO,   1986.  
 - v. ;  26 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9231023748 923102664X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and technology
<br/><br/><label>Dewey Class. No.: </label>507