TY  - BOOK
AU  - Valacich, Joseph S;George, Joey F;Hoffer, Jeffrey A.
TI  - Essentials of systems analysis and design
SN  - 8120323122
U1  - 004.21 VALJ 
PY  - 2003///
CY  - New Delhi
PB  - Prentice Hall of India PVt Ltd
KW  - System Analysis & Design
ER  -