@article{
  author = {Shahkooeei, Maliheh, Rezai Balf, Farzad},
  title = {Attractiveness and Progress in Integer-Valued Data Envelopment Analysis},
  journal = {Fuzzy Optimization and Modeling Journal},
  year = {2022},
  volume = {2},
  number = {4},
  pages = {65-74},
  doi = {10.30495/fomj.2022.1946008.1048}
}