On December 5, 2012 the research team of the Hungarian Europe Society presented the results of the study dealing with the attitudes of Hungarian parliamentary parties towards the EU and titled "Where Does the PERC-index Stand? or from EU Destructivists to Federalists: the Relationship of Hungarian Parliamentary Parties towards the European Union".

Zselyke Tófalvi took part in the research team of HES.

The study is available here: http://europatarsasag.hu/images/2012dec/perc_web.pdf