https://www.usaid.gov/sites/default/files/2023-03/Policy%20Framework%2003-23-2023.pdf
http://www.transfrontier.eu/regions/ireland-northern-ireland/
https://knowledge.wharton.upenn.edu/article/shropshire-athlete-activism/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2020-09-15
https://theconversation.com/magnicidios-y-tentativas-que-cambiaron-el-mundo-de-fidel-castro-o-kennedy-al-archiduque-francisco-fernando-230607