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2023
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2020
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Bucharest: The Bucharest University of Economic Studies, 2020
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University of Hradec Kralove, 2019
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Elsevier BV, 2015
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MDPI AG, 2023
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IGI Global, 2022
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Silesian University of Technology, 2017
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2023
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MDPI AG, 2023
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Springer Science and Business Media LLC, 2023
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Elsevier BV, 2023
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MDPI AG, 2022
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Bucharest University of Economic Studies, 2020
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MDPI AG, 2020
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MDPI AG, 2019
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2023
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Public Library of Science (PLoS), 2023
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Elsevier BV, 2023