UNESCO <br/><br/>
New trends in school science equipment 
UNESCO 
 - Paris  Unesco,  1983 
 - 161P 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE-STUDY AND TEACHING
<br/><br/><label>Dewey Class. No.: </label>371.6234 U45N 1983