https://www.telesurenglish.net/argentine-fuel-union-begins-indefinite-strike/
http://www.ilo.org/global/publications/books/WCMS_605078/lang–en/index.htm
https://theconversation.com/por-que-colombia-ve-la-legalizacion-de-las-drogas-como-el-camino-a-seguir-221423
https://institute.global/news/globalisation-brexit-and-transatlantic-alliance