HETMAŃCZYK, H. Usage of Information and Communication Technologies by Children at Early School Age. Journal of Education, Technology and Computer Science, [S. l.], v. 24, n. 2, p. 75–80, 2018. DOI: 10.15584/eti.2018.2.9. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/5895. Acesso em: 3 lis. 2024.