Hämmig, Oliver, and Joanna Herzig. “Over-Indebtedness, Mastery and Mental Health: A Cross-Sectional Study Among over-Indebted Adults in Switzerland”. Swiss Medical Weekly 152, no. 1314 (March 28, 2022): w30151. Accessed April 16, 2024. https://smw.ch/index.php/smw/article/view/3180.