@article{
  author = {Hamidi, N., Asgarzadeh Sadagiani,, M.},
  title = {Purposing a Mathematical Model for Planning after Sales Services},
  journal = {Jounal of Marketing Management},
  year = {2010},
  volume = {5},
  issue = {2},
  pages = {187-216},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/811901}
}