TY  - BOOK
AU  - Raven, A.J.
AU  - Ault ,S.M
TI  - Mathematics for everyday life:  Book 3 
SN  - 435507842
U1  - 511 
PY  - 1974///
CY  - London
PB  - Heinemann
KW  - Arithmetic
KW  - Mathematices
ER  -