https://ecfsapi.fcc.gov/file/109303096909269/Sage%20&%20Carpenter,%202009.pdf
https://www.esri.ie/system/files/publications/RS169.pdf
https://www.imperial.ac.uk/media/imperial-college/medicine/sph/ide/gida-fellowships/Imperial-College-COVID19-NPI-modelling-16-03-2020.pdf
https://reports.weforum.org/docs/WEF_Global_Risks_Report_2025.pdf