Keen, Peter G. W. Decision support systems : an organizational perspective / Peter G. W. Keen, Michael S. Scott Morton. - Reading, Mass. : Addison-Wesley Pub. Co., c1978. - xv, 264 p. : ill. ; 25 cm. - Addison-Wesley series on decision support . Includes index. Bibliography: p. 243-255. ISBN: 0201036673 LCCN: 77090176 Subjects--Topical Terms: Decision support systems. Dewey Class. No.: 658.4035 / KED 1978