Introduction

Authors

Péter Tálas
National University of Public Service
https://orcid.org/0000-0003-0176-8954
Alex Etl
National University of Public Service
https://orcid.org/0000-0002-0996-1188

Author Biographies

Péter Tálas, National University of Public Service

associate professor

Alex Etl, National University of Public Service

researcher

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Published

2020.04.22

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