A two-stage structure with undesirable outputs: slacks-based and additive slacks-based measures DEA modelsKeyvan Asanimoghadam, Maziar Salahi, Ali Jamalian and Rita ShakouriRAIRO-Oper. Res., 56 4 (2022) 2513-2534DOI: https://doi.org/10.1051/ro/2022117
