A study by Imre Fertő and Lajos Baráth in the 2020 December Issue of Agris

AGRIS on-line Papers in Economics and Informatics, Faculty of Economics and Management CZU Prague, No 4/2020, December, pp. 3 – 13
Chapter of Hungary written by Tamás Szigetvári in the yearbook on European integration

In: Werner Weidenfeld, Wolfgang Wessels (Ed.): Jahrbuch der Europäischen Integration 2020. pp. 601-604