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2020
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Bucharest: The Bucharest University of Economic Studies, 2020
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Walter de Gruyter GmbH, 2019
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Elsevier BV, 2013
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2013
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Periodica Polytechnica Budapest University of Technology and Economics, 2011
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2011
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University of Hradec Kralove, 2022
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University of Hradec Kralove, 2021
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MDPI AG, 2022
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Silesian University of Technology, 2017
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University of Zilina, 2016
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Elsevier BV, 2015
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Elsevier BV, 2016
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Elsevier BV, 2015
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Periodica Polytechnica Budapest University of Technology and Economics, 2015
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Elsevier BV, 2015
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2015
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Elsevier BV, 2015
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Elsevier BV, 2015