TY  - BOOK
AU  - Johns, Geoff.
AU  - Jones, Mary.
AU  - Marchington, Phillip.
TI  - Balanced science 1
SN  - 9780521356893
U1  - 500 JON 
PY  - 1990///
CY  - New York
PB  - Cambridge University Press
KW  - Science
KW  -  Problems, exercises, etc
N1  - Includes index
N2  - Balanced Science is a two-volume resource designed for use in Key Stage 4 GCSE coordinated science courses. The second editions have been fully updated to match the latest double-award GCSE science syllabuses. Core and extension sections ensure they will be suitable for students from a range of abilities
ER  -