Kelemen, M. Polishchuk, V. Gavurová, B. Andoga, R. Szabo, S. Yang, W. Christodoulakis, J. Gera, M. Kozuba, J. Kal'avskỳ, P. Antoško, M., Educational model for evaluation of airport NIS security for safe and sustainable air transport, Sustainability (Switzerland), (12), 2020, MDPI,