TY  - BOOK
AU  - Clifton, H.D.
TI  - Business data systems: a practical guide to systems analysis and data processing
SN  - 013094078X
U1  - 004.2 21st ed.
PY  - 1983///
CY  - London
PB  - Prenice Hall International
KW  - Business - Data processing
KW  - Electronic data processing
KW  - System analysis
ER  -