RumanN. and MruzekZ. 2024. Chellanges 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. (Dec. 2024), 1-27. DOI:https://doi.org/10.31261/IJREL.2024.10.2.01.