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Oekom Publishers GmbH, 2017
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Informa UK Limited, 2003
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SAGE Publications, 1997
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Elsevier BV, 1996
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SAGE Publications, 1996
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SAGE Publications, 1995
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SAGE Publications, 1994
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SAGE Publications, 1993
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Elsevier BV, 1992
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SAGE Publications, 1992
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Elsevier BV, 1991
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Elsevier BV, 1990
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SAGE Publications, 1990
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Elsevier BV, 1989
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SAGE Publications, 1989
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Elsevier BV, 1988
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Elsevier BV, 1987
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SAGE Publications, 2003
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SAGE Publications, 1999
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SAGE Publications, 1998