Iwasa, Masatomo. “Minimal Force to Move the Heavier Opponent: Investigation of Sumo Game”. Scientific Journal of Sport and Performance 2, no. 2 (January 30, 2023): 151–164. Accessed April 23, 2024. https://sjsp.aearedo.es/index.php/sjsp/article/view/minimal-force-move-heavier-opponent-investigation-sumo-game.