WASET
    Khashayar Kashani Jou,  Walking and Sustainable Urban Transportation.   journal   = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2012, vol. 67(7). 496 - 501
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/9095.