TSANG, E.C. 2009. 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, 1 (Jun. 2009), 38–47. DOI:https://doi.org/10.24112/ajper.151747.