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2020
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2020
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2020
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2021
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Basel: MDPI, 2021
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2020
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Humanist Publishing House, 2021
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Peoples' Friendship University of Russia, 2021
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Humanist Publishing House, 2020
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Gramota Publishing, 2021
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EconJournals, 2020
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EconJournals, 2020
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EconJournals, 2020
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EDP Sciences, 2021
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EconJournals, 2020
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Elsevier BV, 2021
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MDPI AG, 2022
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MDPI AG, 2022