TSANG, E. C. “A Comparison on the Effect of Doing Exercise, Listening to Music and Taking Quiet Rest on Mood Changes : 比較進行運動、聽音樂及靜坐對情緒的影響”. Asian Journal of Physical Education &Amp; Recreation, vol. 17, no. 1, June 2011, pp. 37-44, doi:10.24112/ajper.171886.