TY  - BOOK
AU  - Hoffer, Jeffrey A
AU  - Hoffer, Jeffrey A
AU  - Valacich, Joseph S
TI  - Modern sytems analysis and design
U1  - 004.2 
PY  - 1966/// # 2002
CY  - London # Delhi
PB  - Pearson Education # Maclaren and Sons Limited
ER  -