sources son

Credible:
http://www.alternet.org/economy/5-reasons-its-time-4-day-work-week

or
http://www.telegraph.co.uk/finance/jobs/10316850/Reduce-working-week-to-30-hours-say-economists.html


Academic:

https://www.bu.edu/law/faculty/scholarship/workingpapers/documents/SilbaughK060110.pdf


http://amj.aom.org/content/18/3/604

http://www.jstor.org/stable/255364



against
http://www.payscale.com/career-news/2014/09/4-reasons-the-4-day-work-week-could-be-a-disaster



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Coote, Anna. "10 reasons for a shorter working week." neweconomics.org. 27 July 2015. 29 July 2014
<http://www.neweconomics.org/blog/entry/10-reasons-for-a-shorter-working-week>

McAuliffe, Wendy. "How could a four-day week change your life?" gotomeeting.co.uk. 27 July 2015. 9 Jan
<http://www.neweconomics.org/blog/entry/10-reasons-for-a-shorter-working-week2015>

Parramore, Lynn. "5 Reasons It's Time for the 4-Day Work Week" alternet.org 27 July 2015. 21 July 2014
<http://www.alternet.org/economy/5-reasons-its-time-4-day-work-week>



Silbaugh, Katharine. “SPRAWL, FAMILY RHYTHMS, AND THE FOUR-DAY WORK WEEK.”  bu.edu. n.d. vol 1274. 27
July 2015.
<https://www.bu.edu/law/faculty/scholarship/workingpapers/documents/SilbaughK060110.pdf>

Tallullah, Tegan. "The 4-Day Week?" postgrowth.org 27 July 2015. 24 Dec 2014
<http://postgrowth.org/the-4-day-week/>