POTEMBSKA, Emilia; PAWŁOWSKA, Beata. Age and severity of Internet addiction as shown by lower and upper secondary school students. Current Problems of Psychiatry, Lublin, Poland, v. 11, n. 1, p. 42–46, 2010. Disponível em: https://czasopisma.umlub.pl/cpp/article/view/2158. Acesso em: 6 sep. 2025.