@article{
  author = {Malmir, Mohammad, کاظمی متین, رضا, Ahadzadeh namin, Mahnaz},
  title = {Efficiency analysis in two-stage production systems with the presence of undesirable and reversible factors},
  journal = {Journal of New Researches in Mathematics},
  year = {2024},
  volume = {9},
  number = {4},
  pages = {0-0},
  doi = {10.30495/jnrm.2022.66444.2236}
}