Ghada Moussa and  Mamoud Owais,  A Novel Solution Methodology for Transit Route Network Design Problem.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 283 - 290
    [viewed 19 May 2022]. Available from: https://publications.waset.org/pdf/9997782.