Kun , András István, József Boros, and Ágnes Kotsis. 2022. “Do Students Know How Much (they Do Not) Know? – An Investigation of the Dunning–Kruger-Effect Among Business Vocational Higher Education Students”. The Hungarian Journal of Marketing and Management 56 (3):7-20. https://doi.org/10.15170/MM.2022.56.03.01.