Chemistry :  the sample scheme stages I and II : the basic course / 
Nuffield Foundation, Science Teaching Project. 
 - Rpr. with corrections 
 - London :  Longmans :  Penguin,  1971. 
 - 474 p. :  il. 
<br/><br/><label>ISBN: </label>0582043034 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Química--Estudio y enseñanza (Secundaria)