http://www.newsweekjapan.jp/column/ikeda/2015/01/post-903.php

http://job.chunichi.co.jp/news/detail.php?nid=2617&ts=1417107701

http://news.goo.ne.jp/article/chuplus/region/chuplus-CK2015012302000091.html

http://matimura.cocolog-nifty.com/matimulog/2015/01/jugement-8fa5.html#more

http://www.sankei.com/west/news/150124/wst1501240072-n1.html