@article{
  author = {izadikhah, M., shamsi, M.},
  title = {Credit rating of the bank legal customers by using the improved modified Russell model (Case study: the legal customers of Arak Melli Bank)},
  journal = {Journal of New Researches in Mathematics},
  year = {2020},
  volume = {5},
  number = {6},
  pages = {111-126},
  doi = {}
}