TY  - BOOK
T1  - Introduction to information systems
A1  - O'Brien, James A. 1936-
LA  - English
PP  - Burr Ridge, Ill.
PB  - Irwin
YR  - 1994
ED  - 7th ed.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607550999
OP  - 483
CN  - HF 5548.2 O23 1994
SN  - 0256118841
KW  - Business : Data processing.
KW  - Management : Data processing.
ER  -