TY  - BOOK
AU  - Hony,B.V.
AU  - Turner,D.A.
TI  - Active mathematics 3
SN  - 0582084415
AV  - QA135.5 .H63   1992
PY  - 1992///
CY  - UK
PB  - Longman Group
KW  - Mathematics
KW  - --Study and teaching
ER  -