https://www.sra.org.uk/pdfcentre/?type=Id&data=1772866600
https://www.instituteforgovernment.org.uk/sites/default/files/publications/International-civil-service-effectiveness-index-July-17.pdf
https://sosapadilla.github.io/files/papers/Bianchi_Sosa-Padilla_PP.pdf
https://static1.squarespace.com/static/6193d9441f87e0447a3f0803/t/64f5cc87f455c768d1bd1454/1693830286759/Manufacturing+Beyond+Brexit+WEB_0923.pdf