WASET
    C. Ardil,  Airline Quality Rating Using PARIS and TOPSIS in Multiple Criteria Decision Making Analysis.   journal   = {International Journal of Industrial and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2021, vol. 180(12). 516 - 523
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10012357.