Lotfi, V., & Pegels, C. C. (1992). Decision support systems for management science/operations research (2nd ed.). Irwin.
Lua i Stíl Chicago (17ú heag.)Lotfi, Vahid, agus C. Carl Pegels. Decision Support Systems for Management Science/operations Research. 2nd ed. Homewood, IL: Irwin, 1992.
Lua MLA (8ú heag.)Lotfi, Vahid, agus C. Carl Pegels. Decision Support Systems for Management Science/operations Research. 2nd ed. Irwin, 1992.
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