@article{
  author = {Vaez-Ghasemi, M.},
  title = {Malmquist Productivity Index Based on Time Effect},
  journal = {Journal of New Researches in Mathematics},
  year = {2016},
  volume = {1},
  issue = {4},
  pages = {41-56},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/798763}
}