Resource mathematics :  level 2 : pupils΄ study book. 

 - London:   Murray,   1980.  
 - 44 p. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0719534712 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)
<br/><br/><label>Dewey Class. No.: </label>510.712