Potembska, Emilia. “Suicidal Ideation, Tendencies, Attempts and Self-Injuries in Adolescents Who Are at Risk of Internet Addiction and Who Are Addicted to the Mobile Phone”. Current Problems of Psychiatry, vol. 13, no. 4, Dec. 2012, pp. 259-62, https://doi.org/10.12923/j.2081-3910/13.4/a.06.