TY  - BOOK
AU  - Alvin, R.
AU  - Ledsham, A.
AU  - Oliver, C.
TI  - Basic mathematics: revision and practice with answers
SN  - 9780199142569
AV  - QA107 .EL8 1979
PY  - 1979///
CY  - Oxford
PB  - Oxford
ER  -