TY  - BOOK
AU  - Byrd,Greg
AU  - Byrd,Lynn
AU  - Pearce,Chris
TI  - Cambridge checkpoints: mathematics practice book 7 
SN  - 9781107695405 (pbk.)
PY  - 2012///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Mathematics
KW  - Problems, exercises, etc
ER  -