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Lua i Stíl Chicago (17ú heag.)MONKS JOSEPH G. OPERATIONS MANAGEMENT: THEORY AND PROBLEM. 3RD. NEW YORK: MCGRAW-HILL, 1990.
Lua MLA (9ú heag.)MONKS JOSEPH G. OPERATIONS MANAGEMENT: THEORY AND PROBLEM. 3RD. MCGRAW-HILL, 1990.
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