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Toronto: University of Toronto Press, [2000] ; [Online-Ausgabe]
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SAGE Publications, 2002
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National Library of Serbia, 2019
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Informa UK Limited, 2004
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SAGE Publications, 2020
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The Japanese Association of Educational Psychology, 2002
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American Psychological Association (APA), 1996
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American Psychological Association (APA), 1996
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Wiley, 1987
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SAGE Publications, 1981
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American Psychological Association (APA), 1974
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Informa UK Limited, 2023
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Wiley, 1997
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Wiley, 1977
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American Psychological Association (APA), 2002
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American Psychological Association (APA), 2002
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Informa UK Limited, 2022
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Wiley, 1976
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Informa UK Limited, 1955
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Elsevier BV, 2000