WASET
    Hsu-Yung Cheng and  Victor Gau and  Chih-Wei Huang and  Jenq-Neng Hwang and  Chih-Chang Yu,  Advanced Travel Information System in Heterogeneous Networks.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2009, vol. 33(9). 2190 - 2194
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/13593.