http://はじめよう.みんな/index.html

http://news.livedoor.com/article/detail/8424139/

http://www.47news.jp/CN/201401/CN2014011701001127.html

http://www3.nhk.or.jp/news/html/20140116/k10014543201000.html

http://headlines.yahoo.co.jp/hl?a=20140117-00000020-asahi-soci