@article{
  author = {, Ahmad, , },
  title = {Reviewing the theory of clash of civilizations  Based on Middle East evolutions in last two decades},
  journal = {Pizhūhish-i siyāsat-i nazāri},
  year = {2016},
  volume = {10},
  number = {19},
  pages = {1-10},
  doi = {}
}