https://www.gatesfoundation.org/goalkeepers/report/2020-report/?download=false#GlobalPerspective
https://unesdoc.unesco.org/ark:/48223/pf0000380618/PDF/380618eng.pdf.multi
https://insightcrime.org/es/noticias/cese-fuego-eln-expira-amenaza-paz-total-colombia/
https://www.parlament.gv.at/ZUSD/PDF/Enquete_BR_Zukunftsstrategien_Armut_43_2018.pdf