Chen Chou and  Feng-Tyan Lin,  Exploring Influence Range of Tainan City Using Electronic Toll Collection Big Data.   journal   = {International Journal of Urban and Civil Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2017, vol. 123(3). 351 - 358
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10006727.