NIEDORYS, Barbara, KOCKA, Katarzyna, ŚLUSARSKA, Barbara and CHRZAN-RODAK, Agnieszka. The degree of the Internet addiction and the psycho-social functioning of young people. Journal of Education, Health and Sport. Online. 14 December 2018. Vol. 8, no. 12, pp. 275-284. [Accessed 27 January 2025].