Zhenzhen Xu and  Chunfu Shao and  Shengyou Wang and  Chunjiao Dong,  Analysis of Residents’ Travel Characteristics and Policy Improving Strategies.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2020, vol. 165(9). 739 - 746
    [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10011419.