1. Andersen, I. (2020, April). First person: COVID-19 is not a silver lining for the climate, says UN environment chief. UN News. https://news.un.org/en/story/2020/04/1061082.
2. Biccheri, C., & Xiao, E. (2008). Do the right thing: But only if others do so. https://onlinelibrary.wiley.com/doi/abs/10.1002/bdm.621.
3. Doidge, N. (2011). The Brain that changes itself. Carlton North, VIC: Scribe Publications.
4. Frankl, V. (1946). Men’s search for meaning. Republication by Paperback (2006).
5. French, J. R., & Raven, B. (1959). The bases of social power. In D. Cartwright (Ed.), Studies in social power. Research Center for Group Dynamics. Ann Arbor: University of Michigan.