@article{
  author = {Tavakoli, Niki, Majedi, Hamid},
  title = {Investigating the Function of Natural Green Spaces to Promote Human’s Psychological-Spiritual Health},
  journal = {Hoviatshahr},
  year = {2013},
  volume = {7},
  number = {13},
  pages = {23-33},
  doi = {}
}