LI, E. jing .; LAM, M. H. sum; LOUIE, L.; LI, S. S. sum. An Analysis on History and Cultural Background of Chinese Tai Chi Soft Ball: 太極柔力球運動的歷史文化分析. Asian Journal of Physical Education & Recreation, [S. l.], v. 18, n. 1, p. 27–30, 2012. DOI: 10.24112/ajper.181856. Disponível em: https://ejournals.lib.hkbu.edu.hk/index.php/ajper/article/view/1856. Acesso em: 14 aug. 2022.