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Osnabrück: Universität Osnabrück. Erzieh.- u. Kulturwiss., 2007
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Bremen: Bremer Tageszeitungen AG, 2012
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2022
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MDPI AG, 2021
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Frontiers Media SA, 2023
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Frontiers Media SA, 2023
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Springer Science and Business Media LLC, 2023
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Frontiers Media SA, 2023
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MDPI AG, 2022
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Springer Science and Business Media LLC, 2021
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MDPI AG, 2021
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Springer Science and Business Media LLC, 2019
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Elsevier BV, 2006
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Springer Science and Business Media LLC, 2024
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Springer Science and Business Media LLC, 2024
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Springer Science and Business Media LLC, 2023