Marakas, Geprge M. Decision support systems in the 21st century /by George M. Marakas - 2nd ed. - New Delhi Prentice-Hall 2004 - xxiii, 611 p. ISBN: 8120323769 Subjects--Topical Terms: Dicision support systemExpert systems (computer science) Dewey Class. No.: 006.33 / MAR