TY - JOUR AU - Esfandiari, Mahmood AU - Saati, Saber TI - Data envelopment analysis with fuzzy complex numbers with an empirical case on power plants of Iran JO - RAIRO. Operations Research PY - 2021 SP - S2013 EP - S2025 VL - 55 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/ro/2020068/ DO - 10.1051/ro/2020068 LA - en ID - RO_2021__55_S1_S2013_0 ER -