ISHII Nobuki, Hiromi Nakamura. Risk Management during Sport Activities: Analysis of the Recent Legal Case in Japan Regarding Foul Ball Damages on a Spectator in a Ballpark. The Educational Review, USA. 2021. 5. 4. 91-97
Risk Management during Sport Activities:Analysis of the recent legal case in Japan regarding sports accident.
(27th EASM European Sport Management Conference 2019)