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 20 April 2024]. Available from: https://publications.waset.org/pdf/13593.