Suggested Topics within your search (to browse all results for a topic, do a new Subject search).
Suggested Topics within your search (to browse all results for a topic, do a new Subject search).
1
Published 1968
Full text available in Wiley Online Library Database Model: 1997 to presentFull text available in EBSCO Open Access Journals: 1968 - 1999
Full text available in Core Historical Literature of Agriculture (CHLA): 1968 - 1999
Full text available in JSTOR Arts & Sciences VII Archive Collection: 1968 to present; embargo: 6 years
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2
Published 2002
Full text available in DOAJ: Directory of Open Access Journals: 2002 to present
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4
Published 2012
Full text available in DOAJ: Directory of Open Access Journals: 2021 to presentFull text available in PubMed Central (PMC) Open Access: 2014 to present
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6
Published 2011
Full text available in EBSCO Open Access Journals: 2011 to presentFull text available in DOAJ: Directory of Open Access Journals: 2011 to present
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7
Published 2003
Full text available in DOAJ: Directory of Open Access Journals: 2003 to present
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8
Published 2009
Full text available in DOAJ: Directory of Open Access Journals: 2009 to present
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9
Published 2008
Full text available in DOAJ: Directory of Open Access Journals: 2008 to present
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10
Published 2005
Full text available in DOAJ: Directory of Open Access Journals: 2005 to present
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11
Published 2012
Full text available in DOAJ: Directory of Open Access Journals: 2012 to present
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12
Published 2009
Full text available in DOAJ: Directory of Open Access Journals: 2009 to present
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Published 2013
Full text available in EBSCO Open Access Journals: 2013 to present
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16
Published 2009
Full text available in EBSCO Open Access Journals: 2009 to presentFull text available in DOAJ: Directory of Open Access Journals: 2009 to present
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18
Published 2000
Full text available in DOAJ: Directory of Open Access Journals: 2000 to present
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19
Published 2006
Full text available in EBSCO Open Access Journals: 2006 to present
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20
Published 1991
Full text available in EBSCO Open Access Journals: 2012 to presentFull text available in DOAJ: Directory of Open Access Journals: 2012 to present
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