%0 Journal Article %A Esfandiari, Mahmood %A Saati, Saber %T Data envelopment analysis with fuzzy complex numbers with an empirical case on power plants of Iran %J RAIRO. Operations Research %D 2021 %P S2013-S2025 %V 55 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2020068/ %R 10.1051/ro/2020068 %G en %F RO_2021__55_S1_S2013_0