TSANG, Eric C.K. “Evaluation on the Impact of a Soccer Training Program on the Moral Development of Teenage Participants: 社區中心所舉辦之足球活動對青少年品德發展的影響”. Asian Journal of Physical Education & Recreation 15, no. 1 (June 1, 2009): 38–47. Accessed March 29, 2024. https://ejournals.lib.hkbu.edu.hk/index.php/ajper/article/view/1747.