Wheeler, James O.
Economic geography
John Wiley & Sons, 1986
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Todaro, Michael P.
Economic development
Longman, 1997
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Weil, David N.
Economic growth
Pearsons Addison-Wesley, 2009
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Boulding, Kenneth Ewart, 1910-1993
Economic analysis
Harper & Row, 1966
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Alexander, John W.
Economic geography
Prentice-Hall, 1979
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