S. Hummel, und M. Vithanapathirana. Proceedings of the International Webinar on Long-Term Social Impacts of the Covid-19 Pandemic, Seite 98--103. The National Academy of Sciences of Sri Lanka, (2023)International Webinar on Long-Term Social Impacts of the Covid-19 Pandemic ; Conference date: 22-02-2022 Through 24-02-2022.
