http://www.japantimes.co.jp/news/2013/08/09/national/6721-teachers-across-japan-used-corporal-punishment/#.UgX0pKz4Xog
http://www.japantoday.com/category/national/view/education-ministry-shocked-by-scale-of-corporal-punishment
http://www.japantoday.com/category/national/view/education-ministry-shocked-by-scale-of-corporal-punishment