https://www.transparency.org/news/feature/cpi_2018_global_analysis
https://theconversation.com/peru-empieza-a-caer-en-picado-y-cada-vez-se-complica-mas-su-regeneracion-politica-213408
https://theconversation.com/the-talibans-war-on-women-in-afghanistan-must-be-formally-recognized-as-gender-apartheid-210688