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Yu Iwai, Kensuke Iwabuchi, Mitsuyuki Nakayama, Masahiro Kunda, Ichiro Watanabe, Takumi Yamamoto, Jun Murakami, Hironobu Shimozono, Yasuto Terada, Kazunari Hayasaka, et al. Clustering men's world rugby sevens by temporal attack-defence Performance. Japanese Journal of Rugby Science. 2019. 31. 2. 66-68
Sasaki Koh. Defence performance analysis: Social network analysis. JOURNAL OF HUMAN SPORT AND EXERCISE. 2019. 14. S2463-S2469
Koh Sasaki, Takumi Yamamoto, Masahiko Miyao, Takashi Katsuta, Ichiro Kono. Network centrality analysis to determine the tactical leader of a sports team. International Journal of Performance Analysis in Sport. 2017. 17. 6. 822-831