New Trends in Integrated Science Teaching 

 - France :  Unesco,   1977. 
 - 199p.;  28cm 
<br/><br/><label>ISBN: </label>9231014404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jinapala Allas Collection
<br/><br/><label>Dewey Class. No.: </label>507  / TRE