@article{
  author = {سلطانی , رویا, Yousefi, Saeed, Tofigh, Ali asghar},
  title = {Supplier evaluation by a new cumulative DEA model},
  journal = {Modiriat-e- farda},
  year = {2024},
  volume = {21},
  number = {72},
  pages = {21-34},
  doi = {}
}