TY  - GEN
AU  - O'brien, James A.
AU  - Marakas,  George M.
TI  - Management information systems
SN  - 9780071221093
AV  - T58.6 O'BR 2011 
PY  - 2011///
CY  - New York: 
PB  - McGraw-Hill / Irwin
KW  - Management information systems
N1  - Includes bibliographical references and index
ER  -