TY  - BOOK
AU  - Valacich, Joseph S
AU  - George, joey F.
AU  - Hoffer, Jeffrey A.
TI  - Essentials of systems analysis and design
SN  - 9788120338388
U1  - 004.21 
PY  - 2009///
CY  - New Delhi
PB  - PHI Learning
N1  - Include index
ER  -