@article{
  author = {Roozbeh, F., Eslami, R., Ahadzadeh Namin, M.},
  title = {Estimating Most Productive Scale Size with Double Frontiers in Data Envelopment Analysis using Negative Data},
  journal = {International Journal of Data Envelopment Analysis},
  year = {2015},
  volume = {3},
  issue = {4},
  pages = {867-873},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/826431}
}