TY  - BOOK
AU  - Valacich, Joseph s.
AU  - George, Joey F
AU  - Hoffer, Jeffrey A.
TI  - Essentials of system analysis and design
SN  - 013506984x
U1  - 003 
PY  - 2009///
CY  - London
PB  - Pearson Education
KW  - System analysis and design
N1  - includes index
ER  -