TY  - GEN
AU  - Valacich, Joseph S.
AU  - Hoffer, Jeffrey A
AU  - George, Joey F.
TI  - Essentials of systems analysis and design 
SN  - 8120323122
U1  - 004.21 
PY  - 2004///
CY  - New Delhi
PB  - Prentice - Hall
KW  - COMPUTER SCIENCE
KW  - SYSTEMS ANALYSIS AND DESIGN
ER  -