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[Erscheinungsort nicht ermittelbar]: O'Reilly Media, Inc., 2020
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2015
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2014
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2014
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2012
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Cambridge, Mass: National Bureau of Economic Research, 2020
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2016
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Munich: Center for Economic Studies and Ifo Institute (CESifo), 2020
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Munich, Germany: CESifo, Center for Economic Studies & Ifo Institute, September 2020
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[S.l.]: SSRN, [2022]
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[S.l.]: SSRN, [2021]
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Tübingen: Universitätsbibliothek Tübingen, 2015
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The Japan Association for Language Teaching (JALT), 2024
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Springer Science and Business Media LLC, 2018
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MIT Press, 2024
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Elsevier BV, 2020
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Elsevier BV, 2020
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American Psychological Association (APA), 2018
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Society for Learning Analytics Research, 2020