Lotfi, Vahid Decision support systems for management science, operations research / Vahid Lotfi & C. Carl Pegels - 2nd ed. - Boston : Irvin , 1992 - vii, 399p. : ill. ; 28 cm. Includes bibliographical references. ISBN: 0256094136 0256092761 Subjects--Topical Terms: ComputersComputer programs Dewey Class. No.: 510.78 / LOT