TY  - BOOK
AU  - Holsapple, Clyde W.
ED  - Whinston, Andrew B. 
TI  - Business expert systems
T2  - Irwin series in information and decision sciences
U1  - 001.535:658 
PY  - 1989///]
CY  - New Delhi
PB  - Galgotia Publications
ER  -