New trends in integrated science teaching 

 - Paris :  United Nations Educational,   1990. 
 - Vol.iv,238p.;  ill.;  31cm 
<br/><br/><label>ISBN: </label>92-3-102665-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science Teaching<br/>Science
<br/><br/><label>Dewey Class. No.: </label>507  /  NEW