Stormark, Kjell Morten, and Øivin Christiansen. “Systematic review and classification of: Parent Management Training – The Oregon Model (PMTO) as individual parental guidance (2. ed.)”. Ungsinn. Journal of Effective Interventions for Children and Adolescents 10, no. 2 (November 13, 2018). Accessed October 28, 2024. https://septentrio.uit.no/index.php/ungsinn/article/view/7591.