TY  - BOOK
AU  - STEELE, D. U. 
TI  - Business and Commercial Arithmetic
T2  - Arithmetic for living 
SN  - 0521299241
U1  - 513 
PY  - 1980///.
CY  - London
PB  -  Cambridge University Press , 
KW  - Arithmetic
KW  - Business mathematics
ER  -