@article{
  author = {Ak, Shuresh , Maleki, Amir , Zahedi Mazandarani, Mohammad Javad , Ahmadi, Yaghub },
  title = {The structure of the social classes of the Kurdish people and their value system},
  journal = {Quarterly Ethical Research (Association for Islamic Thought)},
  year = {2018},
  volume = {8},
  number = {32},
  pages = {17-46},
  doi = {}
}