SMP interact for GCSE mathematics:  higher/ 

 - Cambridge:  Cambridge University Press,  2003. 
 - 488 p. 
<br/><br/><label>ISBN: </label>0521890225 9780521890229 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mathematics-- Study and teaching (Secondary)
<br/><br/><label>Dewey Class. No.: </label>510