TY - JOUR AU - Liang, Changyong AU - Wang, Binyou AU - Ding, Tao AU - Ma, Yinchao TI - DEA based production planning considering technology heterogeneity with undesirable outputs JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2020 SP - 325 EP - 339 VL - 54 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2018098/ DO - 10.1051/ro/2018098 LA - en ID - RO_2020__54_2_325_0 ER -