@article{
  author = {مظفّری, سید محمد},
  title = {Avicenna’s Achievments in Astronomy in Medieval Islamic
periods},
  journal = {The Journal of Islamic History and Civilisation},
  year = {2010},
  volume = {6},
  issue = {1},
  pages = {109-130},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/788074}
}