UNESCO Source book for science teaching 

 - Rev. & enl. ed. 
 - Paris :  UNESCO,  1962 
 - 250 p. :  ill. ;  24 cm. 
<br/><br/> Library has 2 copies 
<br/><br/><label>ISBN: </label> Rs. 24.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching
<br/><br/><label>Dewey Class. No.: </label>507.1