TY  - BOOK
AU  - Raven,A.J.
AU  - Look,K.K.
TI  - Modern mathematics check-up
SN  - 0435508121
AV  - QA 139 .R3 1977
PY  - 1977///, c1976
CY  - London
PB  - Heinemann Educational Books
KW  - Mathematics
KW  - Study and teaching
KW  - Problems, exercises, etc
ER  -