TY  - BOOK
AU  - O'brien, James A
AU  - Marakas, George M
TI  - Management information systems. -- 9th ed
SN  - 9780071280433
AV  - T 58.6 Obr 
PY  - 2009///
CY  - Boston
PB  - Irwin/McGraw-Hill
KW  - INFORMATION
KW  - MANAGEMENT INFORMATION SYSTEMS
ER  -