Unesco sourcebook for out-of-school science and technology education. 

 - Paris :  UNESCO,  c 1986. 
 - 145 p. :  ill. ;  24 cm. 
<br/><br/>339  339 
<br/><br/><label>ISBN: </label>92-3-102386-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools.<br/>Education.
<br/><br/><label>Dewey Class. No.: </label>371.8 / U3u