Book G1 : SMP 11-16 

 - Cambridge:  University of Cambridge,  1985. 
 - 60p.;  ill.  24cm 
<br/><br/><label>ISBN: </label>0521317525 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Basic Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / BOO