1. 1. Guan Jianmin, Zhong Yongfeng, Hu Yihai.(2017). Analysis of core elements of Taekwondo spiritual values. Sports Culture Guide (09),68-71. doi:CNKI:SUN:TYWS.0.2017-09-016.
2. 2. Guo Yucheng, Liu Qingqing.(2013). Inspiration from Korean Taekwondo's national image construction to Chinese martial arts. Journal of Shenyang Institute of Physical Education (03),129-132. (in Chinese) doi:CNKI:SUN:SYTB.0.2013-03-034.
3. 3. Guo J Y, Zhang Z B, Sun Q Y. (2008). Research and Application of Analytic Hierarchy Process. China Safety Science Journal.(5), 148-153. Doi: 10.16265 / j.carol carroll nki issn1003-3033.2008.05.018.
4. 4. Liu Heming.(2021). Research on Marketization of Taekwondo League for Middle School Students in China (Master's Thesis, Qufu Normal University).CMFD202201&filename=1021088217.n
5. 5. Liu Heming, Liu Kai.(2018). Suggestions on the optimization of Taekwondo Club marketing strategy -- taking Tai 'an City as an example.Contemporary Sports Science and Technology (33),227-228+230. doi:10.16655/j.cnki.2095-2813.2018.33.227.