@article{53969,
  author       = {{Hajipour, Vahid and Tavana, Madjid and Di Caprio, Debora and Akhgar, Majid and Jabbari, Yasaman}},
  issn         = {{0307-904X}},
  journal      = {{Applied Mathematical Modelling}},
  pages        = {{673--699}},
  publisher    = {{Elsevier BV}},
  title        = {{{An optimization model for traceable closed-loop supply chain networks}}},
  doi          = {{10.1016/j.apm.2019.03.007}},
  volume       = {{71}},
  year         = {{2019}},
}

@article{54167,
  author       = {{Hajipour, Vahid and Fattahi, Parviz and Tavana, Madjid and Di Caprio, Debora}},
  issn         = {{0307-904X}},
  journal      = {{Applied Mathematical Modelling}},
  number       = {{7-8}},
  pages        = {{4948--4969}},
  publisher    = {{Elsevier BV}},
  title        = {{{Multi-objective multi-layer congested facility location-allocation problem optimization with Pareto-based meta-heuristics}}},
  doi          = {{10.1016/j.apm.2015.12.013}},
  volume       = {{40}},
  year         = {{2016}},
}