De Blij, Harm J.
Why geography matters: three challenges facing America: climate change, the rise of China, and global terrorism
Oxford, 2005
 Buku Teks
Wheeler, James O.
Economic geography
John Wiley & Sons, 1986
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Alexander, John W.
Economic geography
Prentice-Hall, 1979
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Hartshorn, Truman Asa
Economic geography
Prentice-Hall, 1988
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Thatcher, W.S.
Economic geography
English University Press, 1957
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