@misc{_2020,
 copyright={Copyright by Wydawnictwo Uniwersytetu Wrocławskiego Sp. z o.o., Wrocław 2020},
 copyright={Copyright by CNS},
 howpublished={online},
 year={2020},
 language={pol},
 language={eng},
 type={text},
 keywords={economics, economic sciences, economic journal, Polish journal},
}