@article{
  author = {Rostampour, Shahram, Iranzadeh, soleyman, Feghhi farahmand, Naser},
  title = {Combined optimization of the bi-level supply chain of closed loop in uncertainty conditions},
  journal = {Future study Management},
  year = {2019},
  volume = {30},
  number = {118},
  pages = {93-112},
  doi = {}
}