WASET
    Hossein Gitinavard and  Mohammad Hossein Fazel Zarandi,  A Mixed Expert Evaluation System and Dynamic Interval-Valued Hesitant Fuzzy Selection Approach.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 115(7). 341 - 349
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10004751.