@article{
  author = {shirincheshmeh, bahador, sanaie, mohmmad, emami, farshad},
  title = {Investigating the outsourcing status of sports facilities in Semnan using geographic information system},
  journal = {Application of Geography information system and remote sensing in planning},
  year = {2022},
  volume = {13},
  number = {2},
  pages = {71-73},
  doi = {}
}