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Progress in Economic SciencesCzasopismo Naukowe Instytutu Ekonomicznego PWSZ im. Stanisława Staszica w Pile ISSN 2300-4088 |
Declaration of the original version:
original version of Progress in Economic Sciences is the electronic version.
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Progress in Economic SciencesCzasopismo Naukowe Instytutu Ekonomicznego PWSZ im. Stanisława Staszica w Pile ISSN 2300-4088 |
Declaration of the original version:
original version of Progress in Economic Sciences is the electronic version.