@article{
  author = {Jahanbeigi, A., Jahanbeigi, A., Rohani, M.},
  title = {Estimation of Causality Coefficients in Strategy Maps Using Gravitational Search-Based Learning of Fuzzy Cognitive Maps},
  journal = {Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran},
  year = {2016},
  volume = {14},
  number = {1},
  pages = {16-26},
  doi = {}
}