CHNGU, Pak Kwong. 1995. “Curl-Up Test: A New Abdominal Muscular Endurance Test: 仰臥捲腹測試法: 測定腹肌耐力的新方法”. Asian Journal of Physical Education &Amp; Recreation 1 (2):16-21. https://doi.org/10.24112/ajper.11160.