TY  - BOOK
AU  - 
AU  - Stewart,Walter T.
TI  - Essentials of information systems
AV  - QA76 .T297 1988
U1  - 004 19
PY  - 1988///
CY  - Santa Cruz, Calif.
PB  - Mitchell Pub.
KW  - Electronic data processing
KW  - Local
N1  - Includes index
ER  -