@article{
  author = {samadifard, hamid, teyebi, farshid},
  title = {Legal aspects of network marketing (MLM)in iran with pyramid schemes in comparison with America Federal Trade},
  journal = {Comparative journal of Dadpishgan},
  year = {2019},
  volume = {1},
  number = {1},
  pages = {89-103},
  doi = {}
}