TY  - BOOK
AU  - O'Brien James A.
AU  -  Marakas,George M.
TI  - Management Information Systems
SN  - 9780071221092
AV  - T 58.6/ OBR 
CY  - New York :  McGraw-Hill Irwin,  2011.
KW  - Management information systems
N1  - Includes bibliographical references and indexes
ER  -