TY  - BOOK
AU  - Harrison, Paul., Smith-Montague, Ann. 
TI  - Apex maths extension for all through problem solving : : pupils textbook 6 
SN  - 9780521754965
AV  - QA 801.   H318 2003
PY  - 2003///
CY  - New York 
PB  - Cambridge University Press
ER  -