Hill, Graham,  1942- <br/><br/>
Chemistry counts / 
Graham Hill. 
 - London :  Hodder and Stoughton,  1986. 
 - 284 p. :  ill.(col). 
<br/><br/><label>LCCN: </label>44041598     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Study and teaching (Secondary).<br/>Chemistry--Problems, exercises, etc.