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Full text available from Agricultural Science Database: 01/01/1985 to 10/31/1985
Full text available from Engineering Database: 01/01/1985 to 10/31/1985
Full text available from Environmental Science Database: 01/01/1985 to 10/31/1985
Full text available from ABI/INFORM Global: 01/01/1986 to 11/30/1998
Full text available from Agricultural Science Database: 01/01/1986 to 11/30/1998
Full text available from Engineering Database: 01/01/1986 to 11/30/1998
Full text available from Environmental Science Database: 01/01/1986 to 11/30/1998
Full text available from ABI/INFORM Global: 01/01/1999 to 07/31/2005
Full text available from Agricultural Science Database: 01/01/1999 to 07/31/2005
Full text available from Engineering Database: 01/01/1999 to 07/31/2005
Full text available from Environmental Science Database: 01/01/1999 to 07/31/2005
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2
Được phát hành 2002
Full text available from ABI/INFORM Global: 01/01/1991 to 12/31/2002Full text available from Agricultural Science Database: 01/01/1991 to 12/31/2002
Full text available from Career & Technical Education Database: 01/01/1991 to 12/31/2002
Full text available from Engineering Database: 01/01/1991 to 12/31/2002
Full text available from Environmental Science Database: 01/01/1991 to 12/31/2002
Full text available from Research Library: 01/01/1991 to 12/31/2002
Full text available from Social Science Database: 01/01/1991 to 12/31/2002
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Được phát hành 2003
Full text available from ABI/INFORM Global: 06/01/2003 to presentFull text available from Agricultural Science Database: 06/01/2003 to present
Full text available from Career & Technical Education Database: 06/01/2003 to present
Full text available from Engineering Database: 06/01/2003 to present
Full text available from Environmental Science Database: 06/01/2003 to present
Full text available from Political Science Database: 06/01/2003 to present
Full text available from Research Library: 06/01/2003 to present
Full text available from Social Science Database: 06/01/2003 to present
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Được phát hành 1988
Full text available from ABI/INFORM Global: 04/01/1997 to 1 year agoFull text available from Environmental Science Database: 04/01/1997 to 1 year ago
Full text available from Healthcare Administration Database: 04/01/1997 to 1 year ago
Full text available from Military Database: 04/01/1997 to 1 year ago
Full text available from Public Health Database: 04/01/1997 to 1 year ago
Full text available from Research Library: 04/01/1997 to 1 year ago
Full text available from Social Science Database: 04/01/1997 to 1 year ago
Full text available from Sociology Database: 04/01/1997 to 1 year ago
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Được phát hành 1992
Full text available from ABI/INFORM Global: 12/01/2001 to presentFull text available from Agricultural Science Database: 12/01/2001 to present
Full text available from Engineering Database: 12/01/2001 to present
Full text available from Environmental Science Database: 12/01/2001 to present
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14
Full text available from Criminal Justice Database: 04/01/1998 to 1 year ago
Full text available from Psychology Database: 04/01/1998 to 1 year ago
Full text available from Research Library: 04/01/1998 to 1 year ago
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15
Full text available from Health & Medical Collection: 01/01/1998 to present
Full text available from Healthcare Administration Database: 01/01/1998 to present
Full text available from Nursing & Allied Health Database: 01/01/1998 to present
Full text available from Research Library: 01/01/1998 to present
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16
Full text available from Political Science Database: 01/01/1997 to 1 year ago
Full text available from Research Library: 01/01/1997 to 1 year ago
Full text available from Social Science Database: 01/01/1997 to 1 year ago
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Full text available from Health & Medical Collection: 01/01/2008 to 1 year ago
Full text available from Healthcare Administration Database: 01/01/2008 to 1 year ago
Full text available from Psychology Database: 01/01/2008 to 1 year ago
Full text available from Public Health Database: 01/01/2008 to 1 year ago
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