TY - JOUR AU - Yen, Barbara T.H. AU - Chiou, Yu-Chiun TI - Dynamic fuzzy data envelopment analysis models: case of bus transport performance assessment JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 991 EP - 1005 VL - 53 IS - 3 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/ro/2017064/ DO - 10.1051/ro/2017064 LA - en ID - RO_2019__53_3_991_0 ER -