Eidstuen, Jon Sigurd, and Hege Kornør. “Diagnostic Accuracy of the Algorithm of the Norwegian Verison of Strengths and Difficulties Questionnaire (SDQ)”. PsykTestBarn 7, no. 1 (March 7, 2017): 1–14. Accessed August 27, 2026. https://septentrio.uit.no/index.php/psyktestbarn/article/view/7474.