http://comprop.oii.ox.ac.uk/wp-content/uploads/sites/93/2018/07/ct2018.pdf
https://policyexchange.org.uk/wp-content/uploads/Government-Reimagined.pdf
http://intsse.com/wswspdf/en/articles/2019/02/15/zucm-f15.pdf
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1729en.pdf