WASET
    Ricardo Hoar,  Visualizing Transit Through a Web Based Geographic Information System.   journal   = {International Journal of Civil and Architectural Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2008, vol. 22(10). 3325 - 3330
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/11128.