@article{
  author = {Kazemi, Abolfazl, Esmaeili Aliabadi, Danial},
  title = {Modelling Integrated Multi-item Supplier Selection with Shipping Frequencies},
  journal = {Journal of Optimization in Industrial Engineering},
  year = {2015},
  volume = {8},
  number = {18},
  pages = {71-78},
  doi = {}
}