@article{
  author = {Kiani, Ali Akbar},
  title = {International Institutions; Mathematica Modeling of Change from G5 to G20},
  journal = {  International Organizations Quarterly},
  year = {},
  volume = {3},
  issue = {7},
  pages = {-},
  doi = {},
  url = {https://rimag.ir/fa/Article/37838}
}