Muller, Roger LeRoy
Economics today : 2001-2002
Addison-Wesley, 2000
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Keat, Paul G
Managerial Economics: economics tools for today's decision makers
Pearson Education International, 2003
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Samuelson, Paul Anthony, 1915-2009
Economics
McGraw-Hill, 2010
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Lipsey, Richard G.
Economics
Harper Collin, 1996
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Albrecht, William P.
Economics
Prentice-Hall, 1979
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