TY  - GEN
AU  - Clifton, Harold Dennis.
TI  - Business data systems : a practical guide to systems analysis and data processing
AV  - HF5548.2 Cli.
PY  - 1990///
PB  - Prentice-Hall
KW  - Business - Data processing
KW  - System analysis
N1  - 3511
ER  -