New trends in chemistry teaching (1964-1965)  ed for unesco prepare paur unesco E. Cartmell 

 - Unesco  1968 
 - 357p. 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry - Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>540  / C23N