@article{
  author = {Naghdi, Y., Kaghazian, S., Afsharpey, A.},
  title = {Analysis of the Economic factors Affecting Income of Football Clubs (Selected World Clubs)},
  journal = {Bi-quarterly Journal of  development economics and planning},
  year = {2013},
  volume = {2},
  number = {1},
  pages = {21-43},
  doi = {}
}