Sato, Shuhei, Ryoso Tomosue, Masayuki Sato, Keiko Yoshinari, Daisuke Hirata, Nobuaki Tanaka, Miyoshi Takei, Ayako Matsui, and Philippe Azar. 2010. “Analysis of the Game of Blind Tennis”. ITF Coaching & Sport Science Review 18 (52). London, U.K.:23-25. https://doi.org/10.52383/itfcoaching.v18i52.577.