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Full text available from Agricultural Science Database: 01/01/1988 to 03/31/2018
Full text available from Career & Technical Education Database: 01/01/1988 to 03/31/2018
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Full text available from Research Library: 01/01/1988 to 03/31/2018
Full text available from Science Database: 01/01/1988 to 03/31/2018
Overheidsdocument
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2
Gepubliceerd in 2012
Full text available from Agricultural Science Database: 01/01/2015 to 01/31/2021
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4
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5
Gepubliceerd in 2007
Full text available from ABI/INFORM Global: 02/01/2007 to 12/31/2011Full text available from Agricultural Science Database: 02/01/2007 to 12/31/2011
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Gepubliceerd in 2014
Full text available from Agricultural Science Database: 01/01/2005 to 12/31/2014Full text available from Latin America & Iberia Database: 01/01/2005 to 12/31/2014
Full text available from Agricultural Science Database: 01/01/2016 to present
Full text available from Latin America & Iberia Database: 01/01/2016 to present
Elektronisch
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