TY  - BOOK
AU  - Valacich,Joseph S.
AU  - George,Joey F.
AU  - Hoffer,Jeffrey A.
TI  - Essentials of Systems Analysis and Design
SN  - 0136084966
PY  - 2009///
CY  - Upper Saddle River
PB  - Prentice-Hall
N1  - bibliogr
ER  -