New trends in integrated science teaching / 
edited by David Cohen.  
 - Paris :  Unesco,  1990. 
 - Vols. ;  29 cm. 
 - The teaching of basic sciences. .
<br/><br/>V. 4-- ;  
<br/><br/>300  300 
<br/><br/><label>ISBN: </label>92-3-1014440-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching
<br/><br/><label>Dewey Class. No.: </label>507 / U3n