TY  - BOOK
AU  - Hayen,Roger, x
AU  - x
TI  - Sofrware Tools for Business: An Information Systems Approach
SN  - 0471546941
U1  - 658.4038/H417s 
PY  - 1994///
CY  - New York
PB  - John Wiley & Sons
KW  - Management Information System
KW  - Business Computer Programs
N1  - Includes
ER  -