WASET
    C. Ardil,  Fighter Aircraft Selection Using Fuzzy Preference Optimization Programming (POP).   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2022, vol. 190(10). 274 - 285
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/10012749.