Johnstone, Catriona .- <br/><br/>
GNVQ Core Skills, Application of Number :  Intermediate/ Advanced / 
Castriona Johnstone 
 - 2rd ed. 
 - London :  pitman publishers ,  c1995. 
 - xxx,193p.;  ill.graph, table, drawings  24cm. 
<br/><br/><label>ISBN: </label>9780273620532 
<br/><br/><label>Subjects--Topical Terms: </label>--Mathematics--Study and teaching
<br/><br/><label>Dewey Class. No.: </label>510 JOH