@article{
  author = {mozafari, azime},
  title = {A method for clustering customers using RFM model and grey numbers in terms of uncertainty},
  journal = {Journal of Information and Communication Technology},
  year = {2019},
  volume = {8},
  issue = {29},
  pages = {41-51},
  doi = {},
  url = {https://rimag.ir/fa/Article/1387}
}