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Berlin; Heidelberg; New York [u.a.]: Springer, 2002
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[S.l.]: SSRN, [2016]
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2023
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[S.l.]: SSRN, [2013]
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Berlin, Heidelberg: Springer, 2002
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New York, NY: Exeley, 2016
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[S.l.]: SSRN, [2016]
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Cham: Springer International Publishing, 2020. ; Cham: Imprint: Springer, 2020.
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[S.l.]: SSRN, 2016
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MDPI AG, 2023
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Adam Mickiewicz University Poznan, 2021
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University of Szczecin, 2015
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Poznan University of Economics, 2016
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Wroclaw University of Economics and Business, 2014
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Główny Urząd Statystyczny, 2012
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Akademia Zamojska, 2006
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Elsevier BV, 1991
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Carfax Publishing Co., 1990
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Elsevier BV, 1986
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Elsevier BV, 1987