Relationship between a Rugby Player's Personality, Length of Experience and Personality and Position. - Natsumi Yamagata; Yoshinori Watanuki; Koichiro Aoki; Chieko Kato (AINA Workshops, 2017)

Research on Resistance Training for University Students Focusing on the Maintenance and Improvement of Motivation through Psychological Support. - Reona Ogawa; Yoshinori Watanuki; Chieko Kato (IIAI-AAI, 2018)