WASET
    Y. Duvarci and  S. Mizokami,  Info-participation of the Disabled Using the Mixed Preference Data in Improving Their Travel Quality.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2008, vol. 24(12). 268 - 278
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10458.