Kaiser, Sabine, and Henriette Kyrrestad. “The Psychometric Properties of the Norwegian Version of WHO Five Well-Being Index (WHO-5)”. PsykTestBarn 9, no. 1 (November 15, 2019): 1–9. Accessed August 27, 2026. https://septentrio.uit.no/index.php/psyktestbarn/article/view/7463.