C. Ardil,  Aerial Firefighting Aircraft Selection with Standard Fuzzy Sets using Multiple Criteria Group Decision Making Analysis.   journal   = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2023, vol. 196(4). 136 - 145
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10013052.