TY  - BOOK
AU  - Haag, Stephen
AU  - Cummings, Maeve
TI  - Information systems essentials
SN  - 9780071117937
U1  - Res 658.4038 H111 2006  
PY  - 2006///
CY  - Boston
PB  - McGrawHill.
KW  - Information essentials
N1  - Includes index
ER  -