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1
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2von: Polachek, Solomon W.2014, Emerald
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3von: Polachek, Solomon W.2008, Emerald JAI
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17von: Gallagher, Mary E.[2011], Cornell University Press
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18von: Storm, Kenneth[2019], Gulf Professional Publishing
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19
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20von: Durand, John Dana2015, Princeton University Press