https://www.washingtonpost.com/business/economy/does-a-lower-unemployment-rate-mean-a-better-labor-market/2012/12/10/7cef5ac6-4265-11e2-8c8f-fbebf7ccab4e_story.html?utm_term=.77c434e3af9f

https://www.forbes.com/sites/jeffreydorfman/2015/04/14/the-unemployment-rate-does-not-measure-labor-market-strength/#31ccbcae12cd

https://www.forbes.com/sites/louisefron/2014/08/20/tackling-the-real-unemployment-rate-12-6/#1ef2b482473c