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Economic conditions
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Economic history
64
Business
58
Research
57
Education
51
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46
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Full text available from Computer Science Database: 09/01/1998 to 12/31/1998
Full text available from Engineering Database: 09/01/1998 to 12/31/1998
Full text available from Advanced Technologies & Aerospace Database: 01/01/2000 to 11/30/2003
Full text available from Computer Science Database: 01/01/2000 to 11/30/2003
Full text available from Engineering Database: 01/01/2000 to 11/30/2003
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