https://www.brookings.edu/wp-content/uploads/2022/12/FP_20221213_democracy_asia_corruption.pdf
https://www.voxespana.es/biblioteca/espana/2018m/gal_c2d72e181103013447.pdf
https://sanjosespotlight.com/san-jose-bans-foreign-influenced-corporations-from-political-donations-campaign-contributions-election-2024/