TY - JOUR AU - Hassani, Ali AU - Hosseini, Seyed Mohamad Hasan AU - Behroozi, Foroogh TI - Minimizing the operational costs in a flexible flow shop scheduling problem with unrelated parallel machines JO - Journal of Optimization in Industrial Engineering VL - 14 IS - 1 SP - 169 EP - 184 PY - 2021 DO - 10.22094/joie.2021.1890852.1718 ER -