المصادر :

https://en.m.wikipedia.org/wiki/Yukio...

https://bunshun.jp/articles/-/48045?p...

http://www.murderpedia.org/male.Y/y/y...

https://japantoday.com/category/featu...

https://www.kabbos.com/يوكيو-ياماجي-ك...