@article{
  author = { Mehregan, Mohamad Reza, Aboie Ardakan, Mohammad, fahimi, mitra},
  title = {Comparative Study of System Thinking / Soft Operations and Systems Architecture},
  journal = {Modiriat-e- farda},
  year = {2020},
  volume = {17},
  number = {56},
  pages = {27-36},
  doi = {}
}