1. [reiwa 3rd year labor safety and health survey] reiwa san nen rōdō anzen eisei chōsa (in Japanese);Ministry of Health, Labour and Welfare Homepage,2021
2. [analysis of self-help, mutual help, and public help consciousness of Japanese people] nihonjin no jijō, kyodō, kōjō ishiki no bunseki (in Japanese);Sakamoto,2019
3. Acting for Real
4. The theory and technique of transformations in drama therapy