TY  - BOOK
AU  - Harrison,Paul
AU  - Montague-Smith,Ann
TI  - Apex Maths 4: Extension for all through problem solving 
T2  - Pupil's Textbook
SN  - 0521754925
PY  - 2003///, 2004
CY  - Cambridge
PB  - Cambridge University Press
KW  - Mathematics
KW  - Problems, exercises, etc
KW  - sears
KW  - Study and teaching (Primary)
ER  -