Knox, Paul
The geography of the world economy : an introduction to economic geography
Edward Arnold , 1994
Buku Teks
Pounds, Norman J. G.
World geography
Silver Burdett, 1980
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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
Buku Teks