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2018
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2021
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Bucharest: The Bucharest University of Economic Studies, 2021
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2020
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2019
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2016
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LUMEN Publishing House, 2017
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2014
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2013
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2020
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CMMB-Colegiul Medicilor Municipiul Bucuresti, 2020
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2019
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2018
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Wiley, 2017
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MDPI AG, 2021
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Bucharest University of Economic Studies, 2021
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Bucharest University of Economic Studies, 2021
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EJournal Publishing, 2021
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2020
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Universitatea Dunarea de Jos din Galati, 2020