Pearce, David William, 1941-
Economics of natural resources and the environment
Harvester Wheatsheaf, 1990
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Camp, William G.
Managing our natural resources
Delmar, 1997
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Mining : Natural Resources Development
Artikel Jurnal
Avery, Thomas Eugene
Natural resources measurements
McGraw-Hill, 1975
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Natural resources and international development
edited by Marion Clawson
John Hopkins Press, 1965
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