TY  - BOOK
AU  - PARKS (W A)
TI  - Exercises in commercial arithmetic: intermediate course
U1  - 387/12 
PY  - 0000///
CY  - London
PB  - Gregg Publishing Division
KW  - intermediate
KW  - Exercises
KW  - course
KW  - commercial
KW  - arithmetic
ER  -