Zhang, Ke, and Yan-Hua Guo. 2016. “New Features of Sprint Technological Development and Stagnant Causes and Countermeasures of Men’s 100-Meter Sprint in China”. International Journal of Education and Practice 4 (3):112-16. https://doi.org/10.18488/journal.61/2016.4.3/61.3.112.116.