Ari Levy «Shaving Wars Pit Tech Start-ups against Gillette 8», CNBC, April 8, 2015: cnbc.com/2015/04/08/s-pit-tech-start-ups-against-gillette.html
116
Matthew Barry «A Changing Environment for Online Shaving Clubs in the US», Euromonitor International (blog), February 21, 2016: blog.euromonitor.com/2016/02/a-changing-environment-for-online-shaving-clubs-in-the-us.html
