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出版 1985
Full text available from Earth, Atmospheric & Aquatic Science Database: 07/01/2007 to presentFull text available from Engineering Database: 07/01/2007 to present
Full text available from Environmental Science Database: 07/01/2007 to present
Full text available from Research Library: 07/01/2007 to present
電子
雜誌
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Full text available from Political Science Database: 07/01/2010 to 12/31/2017
Full text available from Criminal Justice Database: 01/01/2019 to present
Full text available from Political Science Database: 01/01/2019 to present
電子
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出版 1980
Full text available from Agricultural Science Database: 07/01/1991 to 12/31/2017Full text available from Career & Technical Education Database: 07/01/1991 to 12/31/2017
Full text available from Earth, Atmospheric & Aquatic Science Database: 07/01/1991 to 12/31/2017
Full text available from Engineering Database: 07/01/1991 to 12/31/2017
Full text available from Environmental Science Database: 07/01/1991 to 12/31/2017
Full text available from Research Library: 07/01/1991 to 12/31/2017
Full text available from Science Database: 07/01/1991 to 12/31/2017
Full text available from Agricultural Science Database: 01/01/2019 to present
Full text available from Career & Technical Education Database: 01/01/2019 to present
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/2019 to present
Full text available from Engineering Database: 01/01/2019 to present
Full text available from Environmental Science Database: 01/01/2019 to present
Full text available from Research Library: 01/01/2019 to present
Full text available from Science Database: 01/01/2019 to present
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Full text available from Education Database: 04/01/1997 to 2000
Full text available from Nursing & Allied Health Database: 04/01/1997 to 2000
Full text available from Psychology Database: 04/01/1997 to 2000
Full text available from Public Health Database: 04/01/1997 to 2000
Full text available from Sociology Database: 04/01/1997 to 2000
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