https://files.taxfoundation.org/20211014170634/International-Tax-Competitiveness-Index-2021.pdf
https://www.southcentre.int/wp-content/uploads/2023/05/RP178_A-Response-to-COVID-19-and-Beyond-Expanding-African-Capacity-in-Vaccine-Production_EN.pdf
https://iea.org.uk/publications/you-do-not-exist-an-introduction-to-nineteen-eighty-four/