@article{
  author = {Khorasani, ابراهیم},
  title = {Causes of ansar failure and success of immigrants in Saqifa},
  journal = {Journal of History},
  year = {2011},
  volume = {6},
  issue = {22},
  pages = {49-74},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/942854}
}