TY  - BOOK
AU  - Clifton,Harold Dennis
TI  - Business data systems: a practical guide to systems analysis and data processing 
SN  - 0130941034
U1  - 658.05 21
PY  - 1986///].
CY  - Englewood Cliffs: 
PB  - Prentice-Hall International, 
KW  - Business
KW  - Data processing
N1  - Includes bibliography and index
ER  -