Ruman, Natalia Maria, and Zdenek Mruzek. 2024. “Challenges for Youth Resulting from the Internet Use a Reflection on the Example of Two Secondary Schools: in Pszczyna and in Český Těšín”. International Journal of Research in E-Learning 10 (2):1-27. https://doi.org/10.31261/IJREL.2024.10.2.01.