Sasvári, Péter http://orcid.org/0000-0002-4031-4843
Nemeslaki, András http://orcid.org/0000-0002-4917-6782
Duma, László http://orcid.org/0000-0002-7894-1375
Funding for this research was provided by:
National University of Public Service (KÖFOP-2.1.2-VEKOP-15-2016-00001)
Article History
Received: 15 November 2017
First Online: 25 March 2019