Flower, Rosemary <br/><br/>
Numbers and algebra 2/ 
Rosemary Flower and Margaret Henshall 
 - Oxford  Heinemann  1995 
 - 121p.:  ill.  26cm 
 - .
<br/><br/><label>ISBN: </label>0435505440 
<br/><br/><label>LC Class. No.: </label>QA152.2  / .N91 1995