https://headlines.yahoo.co.jp/hl?a=20171109-00000010-jij_afp-int

https://this.kiji.is/301178069636449377

http://www.sankei.com/affairs/news/171107/afr1711070037-n1.html

http://www.townnews.co.jp/0301/2017/11/09/406345.html

https://headlines.yahoo.co.jp/hl?a=20171109-00006944-bengocom-soci http://www.moj.go.jp/content/001238840.pdf