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Comparative Economic Research. Central and Eastern Europe > 2017 > 20 > 4 > 65-81
Perspectives of Innovations, Economics and Business > 2014 > 14 > 4 > 184-193
Comparative Economic Research. Central and Eastern Europe > 2017 > 20 > 4 > 65-81
Perspectives of Innovations, Economics and Business > 2014 > 14 > 4 > 184-193