TY  - BOOK
AU  - Hemstock,H.F.
AU  - Costelloe,P.J.
TI  - Modern business arithmetic
SN  - 0177410051
AV  - HF 5691 .H46
PY  - 1969///
CY  - [S.l.]
PB  - Nelson
KW  - Business mathematics
ER  -