CIUPKA, Stanisław. Security issues and security education. Scientific Journal of Bielsko-Biala School of Finance and Law, Bielsko-Biała, PL, v. 25, n. 4, p. 5–8, 2021. DOI: 10.19192/wsfip.sj4.2021.1. Disponível em: https://asej.eu/index.php/asej/article/view/606. Acesso em: 29 apr. 2024.