1. Regional Aspects of V4 Countries' Economic Development over a Membership Period of 15 Years in the European Union
:ČAJKA, Peter - ABRHÁM, Josef. Regional Aspects of V4 Countries' Economic Development over a Membership Period of 15 Years in the European Union. In Slovak Journal of Political Sciences. - Trnava : University of Saints Cyril and Methodius in Trnava. Faculty of Social Sciences., 2019. ISSN 1335-9096, 2019, vol. 19, no. 1, s. 89-105.