@article{
  author = {Heidari, Morad, Nikravan, Mohammad, Abbaszadeh Sohron, Yadollah, Taheri Rouzbahani, Hojjatollah},
  title = {Designing the outsourcing model of marketing activities of sports clubs},
  journal = {Innovation in Sports Management},
  year = {2023},
  volume = {1},
  number = {4},
  pages = {380-401},
  doi = {10.30495/jism.2023.23193}
}