Witkowska-Chrzczonowicz, Katarzyna. 2018. “The Presidency of the Czech Republic in the First Half of 2009 As an Example of an Effective Management of the European Union”. Acta Universitatis Lodziensis. Folia Iuridica 84 (September):125-34. https://doi.org/10.18778/0208-6069.84.09.