BARTKOWICZ, Z.; CHUDNICKI, A. Cyberagresja w szkole – wyzwania dla nauczycieli. Journal of Education, Technology and Computer Science, [S. l.], v. 27, n. 1, p. 70–76, 2019. DOI: 10.15584/eti.2019.1.8. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/5688. Acesso em: 3 lis. 2024.