
https://inews.co.uk/news/coronavirus-testing-countries-test-covid-19-figures-uk-approach-compared-414415

https://weekly.blog.gustavus.edu/2014/09/11/the-true-cost-of-the-assembly-line/

https://www.energy.senate.gov/public/index.cfm/files/serve?File_id=77F2C6DE-500B-4AE1-8C45-170B2DEFB78A