@article{
  author = {Hassani, Ali, Hosseini, Seyed Mohamad Hasan, Behroozi, Foroogh},
  title = {Minimizing the operational costs in a flexible flow shop scheduling problem with unrelated parallel machines},
  journal = {Journal of Optimization in Industrial Engineering},
  year = {2021},
  volume = {14},
  number = {1},
  pages = {169-184},
  doi = {10.22094/joie.2021.1890852.1718}
}