1. Academia Sinica. Quantum GIS resource network@Sinica website (2012)
2. American Society of Travel Agents (2018). https://familytravel.org/member/asta/
3. Bennett, G., Lachowetz, T.: Marketing to lifestyles: action sports and generation Y. Sport Mark. Q. 13, 239–243 (2004)
4. Chang, L.Y., Chen, W.C.: Data mining of tree-based models to analyze freeway accident frequency. J. Safety Res. 36(4), 365–375 (2005)
5. Chen.: The Glory and evaluation of the Taipei 2017 universiade. Natl. Sports Q. 46(4), 37–42 (2017a)