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Lua i Stíl Chicago (17ú heag.)SYD SACTER, Knutt. Mathematics For Economic Analysis Knutt Sydsacter, Peter J. Hammond. Prentice-Hall International, 1995.
Lua MLA (8ú heag.)SYD SACTER, Knutt. Mathematics For Economic Analysis Knutt Sydsacter, Peter J. Hammond. Prentice-Hall International, 1995.
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