Ali Abdi Kordani and  Meysam Rooyintan and  Sid Mohammad Boroomandrad,  Economical and Technical Analysis of Urban Transit System Selection Using TOPSIS Method According to Constructional and Operational Aspects .   journal   = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2019, vol. 151(7). 398 - 402
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10010609.