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HIRSCHEY, Mark, PAPPAS, James L. (1993). MANAGERIAL ECONOMICS (7). : .

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HIRSCHEY, Mark, PAPPAS, James L. MANAGERIAL ECONOMICS. 7 : , 1993. Text.

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HIRSCHEY, Mark, PAPPAS, James L. MANAGERIAL ECONOMICS. 7 : , 1993. Text.

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HIRSCHEY, Mark, PAPPAS, James L. MANAGERIAL ECONOMICS. 7 : , 1993. Print.