TY  - BOOK
AU  - O'Brien,James A.
AU  - O'Brien,James A.
TI  - Introduction to Information Systems
SN  - 9780070589711
U1  - 004.1OBI 22
PY  - 2005///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Computer Science
ER  -