Chemistry :  laboratory investigations.  Stage IA. 

 - London :  Longmans : Penguin,  Longmans : Penguin,  [1967] 
 - Nuffield chemistry .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry -- Study and teaching.--Chemistry -- Study and teaching.<br/>Chemistry -- Experiments.--Chemistry -- Experiments.