UNESCO <br/><br/>
New trends in chemistry teaching 
Unesco 
 - Paris  Unesco press  1975 
 - 159p. 
 - Teaching of basic sciences series .
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>923101241X  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry-Teaching
<br/><br/><label>Dewey Class. No.: </label>540.7  / NEW