و آر ایل:http://opentextbc.ca/teachinginadigitalage/wp-content/uploads/sites/29/2014/05/Jobs-where-will-they-be-2.jpg
و آر ایل:https://pressbooks.bccampus.ca/teachinginadigitalagejpn/chapter/structural-changes-in-the-economy-the-growth-of-a-knowledge-society/
