Bashak, Neda , Ziari, Shokrollah, Movahedi, Mohammad Mehdi, Gholam Abri, Amir, Miandaragh, Amirmehdi (2025) ‘Efficiency ranking of DMUS with fuzzy data ’, Economic  Modeling, 18(3), pp. 27-52. doi:10.71849/eco.2024.1196171