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Washington, DC: National Academy Press, 2002
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Newbury Park [u.a.]: Sage, 1993
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Newbury Park, Calif. [u.a.]: Sage Publications, 1991
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University of Bern, 2020
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University of Bern, 2020
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Mary Lou Fulton Teacher College, 2018
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SAGE Publications, 2017
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Springer Science and Business Media LLC, 2012
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Informa UK Limited, 2013
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Springer Science and Business Media LLC, 2010
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Informa UK Limited, 2008
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Informa UK Limited, 2007
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SAGE Publications, 2004
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American Educational Research Association (AERA), 2002
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Elsevier BV, 1994
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American Educational Research Association (AERA), 1991
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American Educational Research Association (AERA), 1991
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American Educational Research Association (AERA), 1988
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American Educational Research Association (AERA), 1988
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American Educational Research Association (AERA), 1988