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2019
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Bucharest: The Bucharest University of Economic Studies, 2019
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2018
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Instytut Gospodarki Surowcami Mineralnymi i Energia Polskiej Akademii Nauk, 2020
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Bucharest University of Economic Studies, 2019
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MDPI AG, 2020
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2018
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Poznan University of Economics, 2017
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MDPI AG, 2014
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MDPI AG, 2018
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Uniwersytet Ekonomiczny w Krakowie - Krakow University of Economics, 2023
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MDPI AG, 2021