WASET
    Shih-Ching Lo and  Hsieh-Chu Huang,  Traffic Signal Design and Simulation for Vulnerable Road Users Safety and Bus Preemption.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2012, vol. 67(7). 1718 - 1723
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/15951.