TY  - BOOK
AU  - Clarke,J.S.
AU  - Liffen,C.L.
AU  - York,A.
TI  - Structured questions for GCSE science
SN  - 0340503025
PY  - 1990///
CY  - London
PB  - Hodder & Stoughton
KW  - Science
KW  - Study and teaching (Secondary)
KW  - Great Britain
KW  - Examinations, questions, etc
ER  -