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1
Full text available from Agricultural Science Database: 01/01/2013 to 12/31/2013
Full text available from Continental Europe Database: 01/01/2013 to 12/31/2013
Full text available from Environmental Science Database: 01/01/2013 to 12/31/2013
Full text available from Latin America & Iberia Database: 01/01/2013 to 12/31/2013
Full text available from PRISMA Database with HAPI Index: 01/01/2013 to 12/31/2013
Full text available from Research Library: 01/01/2013 to 12/31/2013
Full text available from PRISMA Database with HAPI Index: 01/01/2013 to 01/31/2013
Full text available from ABI/INFORM Global: 01/01/2017 to 01/31/2018
Full text available from Agricultural Science Database: 01/01/2017 to 01/31/2018
Full text available from Continental Europe Database: 01/01/2017 to 01/31/2018
Full text available from Environmental Science Database: 01/01/2017 to 01/31/2018
Full text available from Latin America & Iberia Database: 01/01/2017 to 01/31/2018
Full text available from PRISMA Database with HAPI Index: 01/01/2017 to 01/31/2018
Full text available from Research Library: 01/01/2017 to 01/31/2018
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2
Được phát hành 1998
Full text available from Environmental Science Database: 07/01/2014 to presentFull text available from Latin America & Iberia Database: 07/01/2014 to present
Full text available from PRISMA Database with HAPI Index: 07/01/2014 to present
Full text available from Research Library: 07/01/2014 to present
Full text available from PRISMA Database with HAPI Index: 07/01/2014 to 07/31/2016
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3
Full text available from Career & Technical Education Database: 01/01/2004 to present
Full text available from Latin America & Iberia Database: 01/01/2004 to present
Full text available from Research Library: 01/01/2004 to present
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4
Được phát hành 2011
Full text available from Education Database: 01/01/2011 to present
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Được phát hành 2011
Full text available from Psychology Database: 01/01/2021 to present
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Được phát hành 2001
Full text available from Education Database: 01/01/2001 to 12/31/2002Full text available from Health & Medical Collection: 01/01/2001 to 12/31/2002
Full text available from Education Database: 01/01/2004 to 12/31/2004
Full text available from Health & Medical Collection: 01/01/2004 to 12/31/2004
Full text available from Education Database: 01/01/2008 to present
Full text available from Health & Medical Collection: 01/01/2008 to present
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Được phát hành 2011
Full text available from Social Science Database: 06/01/2011 to present
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Được phát hành 2008
Full text available from Education Database: 11/01/2008 to present
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