1
Published 2016
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2
Published 2013
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3
Published 2017
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4
Published 2014
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5
Published 2015
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6
Published 2011
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7
Published 2017
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8
Published 2014
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9
Published 2015
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10
Published 2012
Full text available from Social Science Database: 01/01/2012 to 01/31/2017
Electronic Serial
11
Full text available from Research Library: 08/01/2007 to present
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13
Published 2013
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Electronic Serial
18
Published 1973
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19
Available in Fuente Académica Plus.
Electronic Serial
20
Published 1991
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