@article{
  author = {Gavahi, Abdorrahim},
  title = {Foresight in Futures Studies: Casual Layered Analysis (CLA) for Challenges Towards Futures Studies in Iran},
  journal = {Future study Management},
  year = {2017},
  volume = {28},
  number = {109},
  pages = {15-24},
  doi = {}
}