LAI, S. L. and SU, J. C. (2003) “The Influence on Tennis Serve Performance between the Groups of National Players and Non-national Players in terms of with/without Audiences and with/without Receivers: 有無觀衆在場與有無人接發球對國手與非國手發球表現的影響”, Asian Journal of Physical Education & Recreation, 9(1), pp. 44–49. doi: 10.24112/ajper.91140.