TY  - BOOK
AU  - Valacich Joseph S.
TI  - Essentials of systems analysis and design
SN  - 9780135069844
AV  - QA 76.9 .S 88V345
PY  - 2009///
CY  - New York
PB  - Prentice Hall
KW  - System Analysis
N1  - Incl.indexes
ER  -