TY  - BOOK
AU  - Haag, Stephen
AU  - Cummings, Maeve
TI  - Information systems essentials
SN  - 9780073376752
SN  - 200803519
U1  - 658.4038 HAA 
PY  - 2009///
CY  - Boston
PB  - McGraw-Hill/Irwin
KW  - Information technology
KW  - Management information systems
N1  - Includes bibliographical references and index
ER  -