Babak Mirbaha and  Mahmoud Saffarzadeh and  Fatemeh Mohajeri,  Investigating the Pedestrian Willingness to Pay to Choose Appropriate Policies for Improving the Safety of Pedestrian Facilities.   journal   = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2019, vol. 150(6). 845 - 852
    [viewed 04 July 2020]. Available from: https://publications.waset.org/pdf/10010474.