Popularization of science and technology: Delivery systems for out-of-school science activities including regional science olympiad 
Unesco 
 - Bangkok, Thailand  UNESCO Regional Office for Education in Asia and the Pacific  1991 
 - 58p. 
<br/><br/><br/>Acc. No. 083811 is MACESE book 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science education