(2011). Contemporary economics. [Warsaw, Poland]: Vizja Press & IT : Faculty of Management and Finance, University of Finance and Management in Warsaw.
Παραπομπή Chicago StyleContemporary Economics. [Warsaw, Poland]: Vizja Press & IT : Faculty of Management and Finance, University of Finance and Management in Warsaw, 2011.
Παραπομπή MLAContemporary Economics. [Warsaw, Poland]: Vizja Press & IT : Faculty of Management and Finance, University of Finance and Management in Warsaw, 2011.
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