https://www.iso.org/files/live/sites/isoorg/files/store/en/PUB100470.pdf
https://www.pwc.com/co/es/publicaciones/assets/world-in-2050-final-report-february-2015-colombia.pdf
https://www.ips-journal.eu/work-and-digitalisation/on-a-knife-edge-spain-reforms-its-labour-legislation-5701/?utm_campaign=en_973_20220207&ut
https://www.eurobiz.com.cn/what-if/